CHICAGO (WLS) -- The Civilian Office of Police Accountability has cleared two Chicago police officers in a deadly shooting that sparked protests in 2016.
COPA found Officer Joseph Treacy and Sergeant Thomas Derouin acted within department policy.
RELATED: Protesters clash in Mt. Greenwood over police involved shooting
They were off-duty when Joshua Beal was shot and killed for allegedly firing at officers during a road rage incident in Mount Greenwood.
According to police, the shooting occurred after a vehicle leaving funeral services at a nearby cemetery stopped in traffic in front of a Chicago fire house. An off-duty firefighter told the driver that they were illegally blocking the fire lane. The occupants exited the vehicle and a verbal/physical altercation ensured, police said. An off-duty Chicago police officer was inside a nearby business and assisted the firefighter.
RELATED: Mt. Greenwood police shooting victim's brother released on bond
A Chicago police sergeant driving to work stopped when he observed a man with a firearm in his hands. After the man "failed to drop his weapon, shots were fired striking the individual multiple times," police said.
The shooter was the police sergeant.
RELATED: Vigil aims to repair tensions in Mount Greenwood after police shooting
Cell phone video previously released did show Beal with a gun. Beal was a father of two. His family is suing the officers involved.
RELATED: Community leaders, activists meet after Mount Greenwood police shooting spur tensions