By Logan Smith

BOULDER, Colo. (CBS4) — Justin Bannan, former defensive lineman for the University of Colorado and the Denver Broncos, was found guilty of attempted murder and assault when a Boulder jury returned a verdict Friday.

Bannan, 42, was convicted of one count of First Degree Attempted Murder, one count of Second Degree Attempted Murder, and two counts of felony assault. He is scheduled for sentencing Nov. 5.

READ MORE: Broncos Release D-Linemen Bannan, Williams (2011)
Justin Bannan

Justin Bannan (credit: CBS)

Bannan was accused of shooting and injuring a woman as she unlocked her separate office inside Bannan’s own business, Black Lab Sports, in October of 2019. Ashley Marie, 36, was shot in the shoulder as she stood in the doorway of the office. Bannan, according to case documents, was inside the locked office prior to Marie’s arrival.

Court documents indicate Bannan made statements about the Russian mafia being after him after the shooting. They also state he also had a rolled up a $20 bill with cocaine residue on it in his possession.

Bannan pleaded not guilty by reason of insanity to all charges.

Broncos defensive linemen Justin Bannan during a game against the Arizona Cardinals in 2010.

Broncos defensive linemen Justin Bannan during a game against the Arizona Cardinals in 2010. (credit: Christian Petersen/Getty Images)

According to the Boulder Daily Camera, Bannan’s defense team alluded to a possible brain injury Bannan suffered due to cumulative affects of collisions during his football career.

“Clearly, there was evidence of injury to the brain,” Defense Attorney Harvey Steinberg said during Friday’s closing arguments. “There’s no question.”

READ MORE: Free Agent DT Justin Bannan Returns To Broncos (2012)

However, prosecutors told the jury that Bannan should be held responsible for his actions regardless of their cause or his intent.

“We don’t have to prove motive,” Chief Trial Deputy District Attorney Christine Rinke said. “We don’t have to prove why.”

The jury deliberated for eight hours, according to the Daily Camera.

Kevin Vickerson, No. 99 and Justin Bannan of the Denver Broncos tackle running back Ryan Mathews of the San Diego Chargers during an NFL game in San Diego on October 15, 2012. (credit: Harry How/Getty Images)

Bannan came to Boulder as a freshman in 1997 and played for the Buffaloes for five years. He was drafted by the Buffalo Bills in the fifth round to start an 11-year NFL career. He played for the Denver Broncos in 2010 and 2012.

Justin Bannan of the Denver Broncos at Qualcomm Stadium in 2012

(credit: Harry How/Getty Images)

A civil suit was filed in June 2020 by attorneys representing Marie. It seeks personal injury damages against Bannan and Black Lab Sports.

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Logan Smith