The 19-year-old arrestee caused the deaths of three young people driving a Dodge Ram pickup truck on March 15
The man, a resident of Okeechobee, was arrested at his workplace for triple fatal vehicular homicide stemming from a traffic accident on March 15 in Port St. Lucie.
On April 23, 2024, the U.S. Marshals Service Task Force, with assistance from the Okeechobee County Sheriff’s Office, arrested 19-year-old Dylan Ray Boully.
With an outstanding arrest warrant from the PSLPD for three counts of vehicular homicide, three counts of DUI manslaughter with serious bodily injury, and reckless driving causing death, all felonies.
The investigation began on March 15, 2024, at approximately 11:35 p.m. when the PSLPD responded to a single-vehicle crash in the 1500 block of SE Veterans Memorial Pkwy.
A red 2017 Dodge Ram 1500 with five occupants was traveling south on SE Veterans Memorial Pkwy when the vehicle veered off the road and struck a tree
Three of the five occupants—16-year-old Draiden Lee Frank, 20-year-old Leah Marie Herman, and 18-year-old Jimmie Dale Brown—were ejected from the vehicle during the crash and died at the scene.
Another passenger, 17-year-old Lia Marie Tucker, was seriously injured and transported to Lawnwood Hospital.

Dylan Ray Boully, 19, was transported to Lawnwood Hospital with minor injuries.
Over the past five weeks, traffic homicide investigators have been tirelessly investigating this horrific crash.
Through their investigative efforts, they were able to determine that the driver, Dylan Ray Boully, had a blood alcohol level of .161, more than twice the legal limit.
They were also able to determine that Boully was driving recklessly at nearly double the posted speed limit of 40 miles per hour just before the crash.
Mr. Boully is currently jailed in the Okeechobee County jail with a $320,000 bond
Police Chief Richard Del Toro stated:
“While the arrest of Mr. Boully will not bring back the three victims who died that night, I hope his arrest is the first step in the healing process for the families and friends of the victims, as Mr. Boully must ultimately be held accountable for his actions.”
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