Pennsylvania investigators say an escalating online exchange helped explain why two men converged on the same Westmoreland County road July 16.
SEWICKLEY TOWNSHIP, Pa. — Before police found a damaged motorcycle on Lowber Road, investigators say a conflict had been unfolding on cellphone screens. Messages exchanged through Facebook Messenger between Ryan Thompson and Roy Holliday became a central part of the police timeline after Holliday left the home he shared with Thompson’s ex-wife and was struck from behind while riding his motorcycle July 16. Holliday later died, and Thompson, 47, now faces a criminal homicide charge and several related offenses.
The electronic conversation matters because investigators say it links an earlier dispute involving Thompson’s ex-wife, Melissa Thompson, with the later movements of both men. Police described the Messenger exchange as heated, but the complete conversation has not been made public in the reports reviewed for this article. State police have alleged that Thompson ultimately followed Holliday in a pickup truck and deliberately struck the motorcycle. Thompson has not been convicted, and prosecutors will have to prove the allegations in court.
According to Melissa Thompson’s account to investigators, the day’s conflict did not begin with the motorcycle. She said her former husband contacted her to discuss paying bills. Holliday, who was her boyfriend, became jealous after learning of that communication, she told police. The dispute then broadened to include direct messages between Holliday and Ryan Thompson. What began as a disagreement over personal relationships and finances was therefore already documented electronically before investigators were called to the roadway.
One alleged message gave police a particularly important chronological marker. Reports based on the criminal complaint say Ryan Thompson told Holliday that he was at Melissa Thompson’s home with her. Investigators said Holliday then left the house on his motorcycle. That sequence allowed detectives to compare a digital timestamp and witness account with later surveillance footage and cellphone-location information. Authorities have not publicly released enough of the underlying records to allow an independent reconstruction of every minute, but they have cited the sequence in support of the charges.
WTAE reported another detail from Melissa Thompson’s statement: before leaving, Holliday appeared to retrieve something, and her son thought Holliday’s shirt was raised as though an item might have been tucked into his waistband. The published reports do not identify what, if anything, Holliday was carrying, and they do not establish that he was armed. That limitation is significant because the detail should not be treated as proof of a weapon or as an explanation for what police say Thompson did afterward.
Investigators say Thompson later told them he believed he heard Holliday revving his motorcycle near his home. Thompson said he went after Holliday, according to reports citing the court paperwork. That statement gave police another piece of the timeline between the electronic dispute and the encounter on Lowber Road. It also placed Thompson’s own account alongside the surveillance evidence authorities were gathering. When questioning later turned directly to the collision, police said Thompson requested a lawyer, which was his constitutional right.
The roadside video is the point at which police say the digital trail meets physical evidence. Surveillance footage obtained during the investigation allegedly showed Holliday’s motorcycle traveling on Lowber Road with a pickup truck following closely behind. Police said the truck moved closer and struck the motorcycle from the rear. Responders found Holliday and the heavily damaged bike in the road. He was transported for medical care and later died. Accounts reviewed for this report conflict on the exact date of his death, so no more precise death date can be reliably stated.
The pickup itself supplied the next link. Melissa Thompson told authorities the vehicle was registered to her but was at the residence where her ex-husband lived. Officers went there and found what they believed was the same truck shown on surveillance footage. Investigators said it had fresh damage on its front bumper. Ryan Thompson allegedly told police he was the only person with access to the vehicle. Together, those facts formed the physical part of a case police were already building from messages and witness statements.
Cellphone-location information added a separate form of corroboration. State police said records placed both Thompson and Holliday in the area of the collision at the relevant time. Investigators did not publicly detail the technology behind those findings in the reports reviewed, so the accuracy and range of the location information cannot be independently assessed from those accounts. Even so, police cited the data as evidence supporting their conclusion that the men’s movements after the Messenger exchange ended at the same location.
The phones also documented communications after Holliday left, according to Melissa Thompson. She told investigators her former husband called and asked her to care for their son and dog. Reports based on the complaint say Ryan Thompson apologized, told her he loved her and indicated that she would not see him again. Police viewed those reported statements in the context of the collision and the other evidence. They have not been presented publicly in a full recorded form, and any dispute over their wording or meaning would be resolved through the court process.
Trooper Steve Limani later said publicly that state police did not consider the episode a normal two-vehicle crash. Authorities believe Thompson intentionally used the pickup to strike Holliday, Limani said. That distinction is critical because an accidental collision and an intentional killing carry very different legal consequences. Police conclusions made during an investigation, however, do not substitute for a verdict. The defense can contest whether the impact was deliberate, what Thompson intended and whether the electronic records support the inferences prosecutors draw from them.
The charges reflect those different possible legal questions. Thompson faces criminal homicide as well as homicide by vehicle, aggravated assault by vehicle, reckless driving and recklessly endangering another person. Pennsylvania’s criminal homicide statute covers causing another person’s death intentionally, knowingly, recklessly or negligently, with the eventual classification determined under additional provisions of state law. Homicide by vehicle separately requires proof of a death caused recklessly or with gross negligence while violating a traffic or vehicle law. Filing the counts is not equivalent to proving them.
For investigators, the case illustrates how communications that occur before a fatal encounter can become evidence after it. The Messenger exchange can potentially help establish chronology, relationships and what information each participant possessed, while the location data can help reconstruct movement. Neither type of electronic record automatically establishes criminal intent on its own. Prosecutors would still need to connect those records with the surveillance footage, witness statements, physical condition of the truck and other admissible evidence to prove their theory beyond a reasonable doubt.
The same digital record also has limits. Public reports quote only brief portions or descriptions of the messages and calls, leaving much of the surrounding conversation unavailable. That makes it important not to infer motives or threats that have not been documented. Police have said the exchange was heated and have described Thompson as deliberately following and striking Holliday. What Thompson believed, whether he disputes the interpretation of the messages and what additional evidence may exist are questions not answered in the sources reviewed for this report.
People close to Holliday have meanwhile focused less on his final messages than on the life that preceded them. Danielle Curran, who knew him from middle school, described him to CBS Pittsburgh as a family man devoted to his children. Melissa Thompson’s sister, Kaelin Henderson, said the family was heartbroken and called Holliday a good person and friend. Their accounts stand apart from the electronic chronology by reminding the public that the case concerns a person whose death affected relatives and longtime friends.
Early reports said Thompson was held without bail in the Westmoreland County Jail and was scheduled for a preliminary hearing July 27. The reliable material reviewed for this article did not provide a verified later result from that proceeding. For now, the publicly documented case rests on the sequence police have described: a dispute over personal matters, an exchange of Facebook messages, Holliday’s departure by motorcycle, Thompson’s alleged pursuit and a fatal collision that investigators say was intentional.
Author note: Last updated August 24, 2026.