The former deputy told his wife he was going to Boulder to kill “everyone” in the hours before he was arrested. He told another deputy not three weeks earlier that he planned “to commit suicide by cop with you all,” according to an arrest affidavit.
Tyler Boyd Reilly, 40, was arrested shortly after 1 a.m. Monday morning, after the Sheriff’s Office shooting and an earlier shooting at the Broomfield Police Department, in which he is suspected of firing at several police vehicles, possibly totaling one. He faces charges related to each shooting, including attempted first-degree burglary, felony menacing with a deadly weapon and criminal mischief between $100,000 and $1 million, according to a .
Reilly is in custody at the Jefferson County Jail because of his former employment at the Boulder County Jail. Boulder County Court Judge David Archuleta ordered Reilly on Tuesday afternoon to be held on $5 million secure bail, and that he have no contact with anyone at the Sheriff’s Office, the Boulder County Jail, the Broomfield Police Department or anyone who could have been a victim in the shooting.
Prosecutors asked the judge to set bail at $5 million cash only, adding that the Boulder County District Attorney’s Office may file more charges against Reilly as the investigation continues.
“I never meant to say I’ll kill anybody,” Reilly said during the hearing, before his lawyer told him to stop talking.
Reilly’s wife on Monday showed a detective texts Reilly sent her, saying that he was “about to die” and that he was going to Boulder and “killing everyone” shortly before midnight Sunday night, before the pair of shootings, according to the affidavit. On Sept. 8, Reilly texted another deputy that he was “about to commit suicide by cop with you all. I have had enough,” the affidavit says.
Shannon Carbone, a District Attorney’s Office spokesperson, said the office cannot release information about how the sheriff’s office responded to that text under its ethics rules. Sheriff’s Office spokespeople had previously referred a question about that to the District Attorney’s Office.
Around 1:06 a.m., a sergeant and a deputy heard banging or pounding from the north side of the Sheriff’s Office headquarters and saw a man they believed to be Reilly outside with an AR-15-style rifle and a bulletproof vest, the affidavit says. When another deputy drove to the front parking lot of the headquarters, Reilly was crouched on the ground with his hands up and his rifle on the ground, giving deputies a chance to detain him at gunpoint.
But Reilly struggled, kicked a deputy in the legs, threatened the deputies and their families, called them a homophobic slur and yelled at them before being taken to the ground, according to the affidavit.
Reilly’s left hand was bleeding heavily when deputies found him, and he was taken to Boulder Community Hospital, the affidavit says. While there, Reilly bounced across various topics and emotional states; he threatened deputies’ and hospital staff’s lives, apologized for what he did in Boulder and Broomfield, reflected on his mental health issues he says he developed from his time as a deputy and told a deputy he was drunk.
On Monday, the Sheriff’s Office said in its that “There have been no reported injuries in Boulder or Broomfield counties related to this incident.” Spokesperson Carrie Haverfield didn’t know how Reilly injured his hand and clarified Tuesday morning that nobody was “injured as a result of sheriff’s office actions.”
Deputies later found four .223-caliber shell casings near the Sheriff’s Office entrance, the affidavit says. Surveillance footage deputies reviewed shows Reilly using his rifle to smash the entrance door glass while trying and failing to get inside.
Deputies also later found an open BeatBox, which is an alcoholic drink. Reilly told deputies during an interview Monday morning that he’d drunk three mixed drinks from a gas station ahead of the shootings, the affidavit says.
During that interview, Reilly said he suffers from PTSD stemming from his tenure in the Sheriff’s Office, and complained that the office hasn’t done anything to help him, the affidavit says. Reilly said he also suffers from alcohol substance use disorder.
The Sheriff’s Office had plans to terminate Reilly from his employment as a deputy because he never finished field training to be a patrol deputy, the affidavit says. Reilly, who resigned instead of being fired in May 2024, had been working in the Sheriff’s Office since 2012.
Reilly also faces charges of attempted first-degree criminal trespass, prohibited use of weapons, resisting an officer, reckless endangerment and obstructing government operations, criminal mischief between $2,000 and $5,000 and second-degree criminal trespass, according to Monday’s release.
