A convicted murderer investigated in connection with a series of grisly Southwest Florida killings — including two bodies discovered in wooded areas of North Port in Sarasota County — is scheduled to be executed Sept. 10.

Daniel Owen Conahan Jr., known as the "Hog Trail Killer," was sentenced to death for the 1996 kidnapping and murder of 21-year-old Richard Allen Montgomery in Charlotte County.

Investigators have explored whether Conahan could be responsible for roughly a dozen killings across the region, including the "Fort Myers Eight." However, he was never charged in those deaths or the other Hog Trail Murders.

Here's what to know about Conahan, his crimes and the questions that remain.

Daniel O. Conahan, scheduled for execution in Florida on Sept. 10, 2026, was investigated in connection with bodies found near North Port in Sarasota County and Port Charlotte. He is shown in a Lee County Sheriff’s Office booking photo following his arrest on attempted murder and sexual assault charges. Read more. (Herald-Tribune archive/1996)
Daniel O. Conahan, scheduled for execution in Florida on Sept. 10, 2026, was investigated in connection with bodies found near North Port in Sarasota County and Port Charlotte. He is shown in a Lee County Sheriff’s Office booking photo following his arrest on attempted murder and sexual assault charges. Read more. (Herald-Tribune archive/1996)
Charlotte County State Attorney's Office investigator, Rickey Hobbs, left, and Charlotte County Sheriff's major crimes detective, John Columbia Jr., right, bring Daniel Conahan Jr., who was indicted for the murder of Richard Allen Montgomery, into the Charlotte County Jail at the Sheriff's Office on Feb. 27, 1997. Conahan is scheduled to be executed in Florida on Sept. 10, 2026, for Montgomery’s murder and was investigated in connection with two bodies found in North Port in Sarasota County. (Herald-Tribune archive/Matt Bernhardt/1997)
Charlotte County State Attorney's Office investigator, Rickey Hobbs, left, and Charlotte County Sheriff's major crimes detective, John Columbia Jr., right, bring Daniel Conahan Jr., who was indicted for the murder of Richard Allen Montgomery, into the Charlotte County Jail at the Sheriff's Office on Feb. 27, 1997. Conahan is scheduled to be executed in Florida on Sept. 10, 2026, for Montgomery’s murder and was investigated in connection with two bodies found in North Port in Sarasota County. (Herald-Tribune archive/Matt Bernhardt/1997)
Daniel Conahan, left, convicted killer of Richard Montgomery, discusses the selection of prospective jurors with attorneys Paul Sullivan, center, and Mark Ahlbrand Monday in Naples. Conahan, 45, was found gulity in August of first degree murder and kidnapping for the April 16, 1996 strangulation, sexual mutilation death of Richard Montgomery. Conahan is scheduled to be executed in Florida on Sept. 10, 2026, for Montgomery’s murder and was investigated in connection with two bodies found in North Port in Sarasota County. (Herald-Tribune archive/Bert Cass/1998)
Daniel Conahan, left, convicted killer of Richard Montgomery, discusses the selection of prospective jurors with attorneys Paul Sullivan, center, and Mark Ahlbrand Monday in Naples. Conahan, 45, was found gulity in August of first degree murder and kidnapping for the April 16, 1996 strangulation, sexual mutilation death of Richard Montgomery. Conahan is scheduled to be executed in Florida on Sept. 10, 2026, for Montgomery’s murder and was investigated in connection with two bodies found in North Port in Sarasota County. (Herald-Tribune archive/Bert Cass/1998)
Daniel Conahan, Jr. listens to testimony Tuesday August 10, 1999 in Punta Gorda, Florida during day two of his trial for the kidnapping and killing of a homeless man.  (Herald-Tribune archive/Michael Barrientos/1999)
Daniel Conahan, Jr. listens to testimony Tuesday August 10, 1999 in Punta Gorda, Florida during day two of his trial for the kidnapping and killing of a homeless man. (Herald-Tribune archive/Michael Barrientos/1999)
Stanley Burden shows his scars to the court during the murder trial of Daniel Conahan Jr. on Wednesday, July 31, 1999, at the Charlotte County Justice Center in Punta Gorda.  Burden accuses Conahan of strangling him in 1994. (Herald-Tribune archive/Michael Barrientos/1999)
Stanley Burden shows his scars to the court during the murder trial of Daniel Conahan Jr. on Wednesday, July 31, 1999, at the Charlotte County Justice Center in Punta Gorda. Burden accuses Conahan of strangling him in 1994. (Herald-Tribune archive/Michael Barrientos/1999)
Daniel Conahan Jr. talks with his Aunt Betty Wilson of Ft. Lauderdale on Thursday morning, Aug. 1, 1999, during a break in his trial at the Charlotte County Justice Center in Punta Gorda. Conahan is accused of murdering Richard Montgomery. Conahan is scheduled to be executed in Florida on Sept. 10, 2026, for Montgomery’s murder and was investigated in connection with two bodies found in North Port in Sarasota County. (Herald-Tribune archive/Michael Barrientos/1999)
Daniel Conahan Jr. talks with his Aunt Betty Wilson of Ft. Lauderdale on Thursday morning, Aug. 1, 1999, during a break in his trial at the Charlotte County Justice Center in Punta Gorda. Conahan is accused of murdering Richard Montgomery. Conahan is scheduled to be executed in Florida on Sept. 10, 2026, for Montgomery’s murder and was investigated in connection with two bodies found in North Port in Sarasota County. (Herald-Tribune archive/Michael Barrientos/1999)
Sarasota County Sheriff's Deputy William Kuchar looks over evidence, a coat that was found on the scene of Richard Montgomery's murder, during the trial of Daniel Conahan Jr. at the Charlotte County Justice Center in Punta Gorda. Conahan is accused of murdering Montgomery. Conahan is scheduled to be executed in Florida on Sept. 10, 2026, for Montgomery’s murder and was investigated in connection with two bodies found in North Port in Sarasota County. (Herald-Tribune archive/Michael Barrientos/1999)
Sarasota County Sheriff's Deputy William Kuchar looks over evidence, a coat that was found on the scene of Richard Montgomery's murder, during the trial of Daniel Conahan Jr. at the Charlotte County Justice Center in Punta Gorda. Conahan is accused of murdering Montgomery. Conahan is scheduled to be executed in Florida on Sept. 10, 2026, for Montgomery’s murder and was investigated in connection with two bodies found in North Port in Sarasota County. (Herald-Tribune archive/Michael Barrientos/1999)
Fiber analysis expert Paula Sauer, formerly of the Florida Department of Law Enforcement, answers questions for defense attorney Mark Ahlbrand about debris found on the foam that Richard Montgomery's body was wrapped in. Sauer testified during the murder trial of Daniel Conahan Jr. at the Charlotte County Justice Center in Punta Gorda. Conahan is accused of murdering Montgomery. Conahan is scheduled to be executed in Florida on Sept. 10, 2026, for Montgomery’s murder and was investigated in connection with two bodies found in North Port in Sarasota County. (Herald-Tribune archive/Michael Barrientos/1999)
Fiber analysis expert Paula Sauer, formerly of the Florida Department of Law Enforcement, answers questions for defense attorney Mark Ahlbrand about debris found on the foam that Richard Montgomery's body was wrapped in. Sauer testified during the murder trial of Daniel Conahan Jr. at the Charlotte County Justice Center in Punta Gorda. Conahan is accused of murdering Montgomery. Conahan is scheduled to be executed in Florida on Sept. 10, 2026, for Montgomery’s murder and was investigated in connection with two bodies found in North Port in Sarasota County. (Herald-Tribune archive/Michael Barrientos/1999)
Defense team legal assistant Angela Smith listens to witness testimony along with client Daniel Conahan Jr. on Friday, Aug. 2, 1999, during his murder trial at the Charlotte County Justice Center in Punta Gorda. Conahan is accused of murdering Richard Montgomery. Conahan is scheduled to be executed in Florida on Sept. 10, 2026, for Montgomery’s murder and was investigated in connection with two bodies found in North Port in Sarasota County. (Herald-Tribune archive/Michael Barrientos/1999)
Defense team legal assistant Angela Smith listens to witness testimony along with client Daniel Conahan Jr. on Friday, Aug. 2, 1999, during his murder trial at the Charlotte County Justice Center in Punta Gorda. Conahan is accused of murdering Richard Montgomery. Conahan is scheduled to be executed in Florida on Sept. 10, 2026, for Montgomery’s murder and was investigated in connection with two bodies found in North Port in Sarasota County. (Herald-Tribune archive/Michael Barrientos/1999)
Judge William L. Blackwell examines rope during the murder trial of Daniel Conahan Jr. on Wednesday, Aug. 11, 1999, at the Charlotte County Justice Center in Punta Gorda.  The rope was allegedly used to tie up Stanley Burden in an attempted strangling by Conahan in 1994. (Herald-Tribune archive/Michael Barrientos/1999)
Judge William L. Blackwell examines rope during the murder trial of Daniel Conahan Jr. on Wednesday, Aug. 11, 1999, at the Charlotte County Justice Center in Punta Gorda. The rope was allegedly used to tie up Stanley Burden in an attempted strangling by Conahan in 1994. (Herald-Tribune archive/Michael Barrientos/1999)
Daniel Conahan's attorney Paul Sullivan speaks with the defense's first witness Monday, DNA Serologist Robin Ragsdale.  The state rested its case Aug. 16, 1999. (Herald-Tribune archive/Bert Cass/1999)
Daniel Conahan's attorney Paul Sullivan speaks with the defense's first witness Monday, DNA Serologist Robin Ragsdale. The state rested its case Aug. 16, 1999. (Herald-Tribune archive/Bert Cass/1999)
Convicted murderer Daniel Conahan Jr. is led out of court during a recess in his pre-sentencing hearing on Friday morning, Aug. 23, 1999, at the Charlotte County Justice Center.  The penalty phase of Conahan's trial will be in Collier County. (Herald-Tribune archive/Michael Barrientos/1999)
Convicted murderer Daniel Conahan Jr. is led out of court during a recess in his pre-sentencing hearing on Friday morning, Aug. 23, 1999, at the Charlotte County Justice Center. The penalty phase of Conahan's trial will be in Collier County. (Herald-Tribune archive/Michael Barrientos/1999)
Attorney Paul Sullivan, left, tries to convince Daniel Conahan to stay in the courtroom after he Conahan had an outburst and tried to talk to the judge during the sentincing in Naples Wednesday, Nov. 3, 1999.  Conahan was sentenced to death by a jury from Naples. (Herald-Tribune archive/Nick De La Torre)
Attorney Paul Sullivan, left, tries to convince Daniel Conahan to stay in the courtroom after he Conahan had an outburst and tried to talk to the judge during the sentincing in Naples Wednesday, Nov. 3, 1999. Conahan was sentenced to death by a jury from Naples. (Herald-Tribune archive/Nick De La Torre)
Daniel Conahan walks back to his lawers after being finger printed Friday at his sentencing trial at the Charlotte County Justice Center in Punta Gorda. Judge William Blackwell sentenced Conahan to death for the murder of Richard Montgomery. On April 16, 1996, Montgomery of Port Charlotte was tied to a tree, sexually assaulted and strangled to death in the woods of northern Charlotte County. His mutilated body was found the next day. Conahan was also sentenced to 15 years for the kidnapping of Montgomery. (Herald-Tribune archive/Amy Sharpe-Taborsky/1999)
Daniel Conahan walks back to his lawers after being finger printed Friday at his sentencing trial at the Charlotte County Justice Center in Punta Gorda. Judge William Blackwell sentenced Conahan to death for the murder of Richard Montgomery. On April 16, 1996, Montgomery of Port Charlotte was tied to a tree, sexually assaulted and strangled to death in the woods of northern Charlotte County. His mutilated body was found the next day. Conahan was also sentenced to 15 years for the kidnapping of Montgomery. (Herald-Tribune archive/Amy Sharpe-Taborsky/1999)
12/10/99 Punta Gorda - Daniel Conahan (center) with his lawyer, Mark Ahlbrand (right) after being sentenced to death by Judge William Blackwell for the murder of Richard Mongomery. On April 16,1996 Richard Montgomery was tied to a tree, sexually assaulted and strangled to death in the woods of northern Charlotte County. His mutilated body was found the next day. (Herald-Tribune archive/Amy Sharpe-Taborsky/1999)
12/10/99 Punta Gorda - Daniel Conahan (center) with his lawyer, Mark Ahlbrand (right) after being sentenced to death by Judge William Blackwell for the murder of Richard Mongomery. On April 16,1996 Richard Montgomery was tied to a tree, sexually assaulted and strangled to death in the woods of northern Charlotte County. His mutilated body was found the next day. (Herald-Tribune archive/Amy Sharpe-Taborsky/1999)
Daniel O. Conahan Conahan is scheduled to be executed in Florida on Sept. 10, 2026, for Richard Montgomery’s murder and was investigated in connection with two bodies found in North Port in Sarasota County. Read more. (Provided by Florida Department of Corrections)
Daniel O. Conahan Conahan is scheduled to be executed in Florida on Sept. 10, 2026, for Richard Montgomery’s murder and was investigated in connection with two bodies found in North Port in Sarasota County. Read more. (Provided by Florida Department of Corrections)

Daniel O. Conahan, scheduled for execution in Florida on Sept. 10, 2026, was investigated in connection with bodies found near North Port in Sarasota County and Port Charlotte. He is shown in a Lee County Sheriff’s Office booking photo following his arrest on attempted murder and sexual assault charges. Read more.

Five bodies were found in northern Charlotte County between 1994 and 1996. The crimes became known as the "Hog Trail Murders" after some victims were found along what was known as the "hog trail."

The first body, that of drifter Gerald "Jerry" Lombard, of Lowell, Massachusetts, was discovered Feb. 1, 1994. Lombard was identified in 2021 using DNA database services.

On April 17, 1996, investigators found more bodies in the general area of Lombard's remains.

Charlotte County Sheriff's detectives discovered male body parts about a half-mile apart that were obviously dissected and decomposed.

The decomposed remains were eventually identified as Kenneth Smith of Fort Myers and Naples. The more recent body was identified as Montgomery.

After the discovery of Lombard's remains and before the discovery of Smith and Montgomery, two other bodies were found in wooded areas of North Port in Sarasota County.

In all, roughly a dozen bodies, believed to be part of serial killings, were discovered.

Eight sets of skeletal remains of adult males between the ages of 18 and 49 were discovered during a land survey in a wooded area of East Fort Myers in 2007.

Police initially found three skeletons, but searchers later found five more, all within a 50-yard radius.

Four of the eight have been identified via DNA:

Jonathan Tihay, 25 or 26, a drifter without a solid job, he never was reported missing.

Johnathan Blevins, 26, lived in the Fort Myers area before he went missing in 1995.

Eric Kohler, 21, lived with his grandparents when he disappeared in 1995.

According to previous News-Press reports, the skeletal remains of the eight men found in Fort Myers displayed similarities to the Charlotte County deaths.

Police at the time wouldn't officially say the cases were linked, but an FGCU criminologist said the resemblances couldn't be ignored.

According to court records, on April 16, 1996, Richard Montgomery told friends he was going out to make a few hundred dollars and would be back shortly. When asked whether it was legal, he smiled.

Previously, Montgomery told his mother someone offered him $200 to pose for nude pictures, but declined to tell her who made the offer. In the same conversation, Montgomery told her he met a new friend, Daniel Conahan, a nurse living in Punta Gorda.

The next day, two Charlotte County utility workers discovered a human skull in a remote, wooded area off Highway 41 and notified police.

While searching the scene, deputies found the nude body of a young, white male later identified as Montgomery. He had visible signs of trauma to the neck, waist, and wrists, and his genitalia had been removed.

Ligature marks found on Montgomery's body and other evidence found at the scene indicated that Montgomery had been tied to a tree and strangled.

During the guilt phase of Conahan's trial, the state presented evidence that, on the day of Montgomery's disappearance, Conahan's credit card was used to buy rope, Polaroid Film, pliers and a knife at a Wal-Mart store in Punta Gorda.

Due to the similarities, police reviewed a Fort Myers assault reported two years earlier.

According to court records, on Aug. 15, 1994, Stanley Burden reported to Fort Myers police that Conahan tied him to a tree and assaulted him.

Burden said Conahan offered to pay him $100 to $150 to pose for nude bondage photos. Burden agreed and Conahan drove them to a wooded location.

The bones of the "Fort Myers Eight" were found in woods off Arcadia Street in Fort Myers. That's near Rockfill Road, where Conahan allegedly assaulted Burden.

After taking several photos, Conahan pulled out a rope and tied Burden to a tree. While restrained, Conahan performed oral sex on Burden and attempted to have anal sex with him.

When Burden resisted by positioning his backside against the tree, Conahan placed the rope around Burden's neck and unsuccessfully tried to strangle him for half an hour. Conahan asked Burden why he would not die and finally gave up, gathered his possessions and left.

Burden freed himself and reported the incident to police. Police located the crime scene and found a tree with markings that corroborated Burden's injuries and story.

Police began an undercover investigation of Conahan.

On May 24, 1996, an undercover deputy, Scott Clemens, was approached by Conahan at Kiwanis Park, and Conahan offered Clemens $7 to show his penis or $20 if Clemens would allow Conahan to perform fellatio, court records show. Clemens refused the offer and the next day returned to the park where he again encountered Conahan, who offered him $150 to pose for nude photos.

On May 31, 1996, police searched Conahan's residence and vehicles and obtained paint samples from his father's Mercury Capri, which Conahan occasionally used. They then compared paint samples from the Capri with a paint chip from Montgomery's body and found them to be indistinguishable.

During a police interview, Conahan told a detective that he had a fantasy involving bondage and sex.

On February 25, 1997, Conahan was indicted for first-degree premeditated murder, first-degree felony murder, kidnapping, and sexual battery of Montgomery.

The trial court permitted the state to introduce evidence of Burden's attempted murder and sexual battery, ruling that "the evidence was sufficiently similar to the evidence leading up to Montgomery's death so as to constitute a unique modus operandi sufficient to establish the identity of Montgomery's murderer."

Conahan was found guilty of first-degree premeditated murder and kidnapping and subsequently sentenced to death. He is scheduled to be executed at Florida State Prison in Raiford on Sept. 10, 2026.

While Conahan has long been a person of interest, he was never formally named a suspect or charged with any of the other Hog Trail Murders or with the killings of the Fort Myers Eight.

Contributing: C. A. Bridges, USA TODAY Network Florida; Michael Brown, Fort Myers News-Press; Stacey Henson, Fort Myers News-Press & Naples Daily News

Kim Luciani is a journalist for the USA TODAY Network-Florida's Audience team. You can get all of Florida's best content directly in your inbox each weekday by signing up for the free newsletter, Florida TODAY, at https://news-press.com/newsletters.

This article originally appeared on Sarasota Herald-Tribune: 'Hog Trail Killer' execution revives Sarasota County mystery