AURORA, Colo. (CBS4) — Steve Sinclair, 30, is charged with attempted murder and a bias motivated crime after an attack in an Aurora apartment complex on Tuesday.

Steve Sinclair (credit: Aurora Police)

The victim, who is white, told police that Sinclair, who is Black, shouted “Black lives matter!” before stabbing him. The victim suffered serious injuries, including a collapsed lung.

READ MORE: Touchdowns Meet Touchless: Mile High Announces New Tech

A number of witnesses told police they saw Sinclair stabbing the victim, while the victim tried to run away.

According to the arrest affidavit, the first officer on the scene found Sinclair with blood on his hands and torso. The officer says Sinclair approached him saying, “Black lives matter,” and would not obey the officer’s orders. Sinclair also allegedly confessed, telling the officer, “I stabbed him, I’m a psychopath,” and “I’m the stabber.”

READ MORE: Suspect With Gun Shoots At Eaton Police Officers Early Friday Morning

Officers were eventually able to arrest Sinclair without a struggle.

The victim in this case suffered serious injuries and his family says he cannot work for the next 6 weeks while he is recovering from his injuries. A GoFundMe campaign has been set up to help the family as the victim is the main provider for the family.

MORE NEWS: It Will Be Free To Get Into National Parks In Colorado On Saturday