Retired Chicago firefighter wrongly accused of killing US Capitol police officer on social media: 'My whole life has changed'

CHICAGO (WLS) -- A retired Chicago firefighter who was falsely accused of attacking an officer in last week's capitol chaos is now speaking out and trying to clear his name.

David Quintavalle said he was bombarded with threatening calls after a protestor in the crowd hurled a fire extinguisher at U.S. Capitol police, hitting an officer, during the riots in Washington D.C last week.

WATCH: Full interview with retired Chicago firefighter David Quintavalle