A memorial was growing Friday night in an Irving Park neighborhood alley where a man was shot and killed by police this week – and questions surrounding the circumstances of the shooting are growing along with it.

As CBS 2'S Charlie De Mar reported, Chicago Police Supt. David Brown said hours after the shooting early Wednesday morning that the man – 21-year-old Isidro Valverde – had fired shots during the confrontation. But the Civilian Office of Police Accountability later said it was not certain whether Valverde fired shots.

Valverde lives a little less than a mile from the scene of the shooting – in an alley off the 3700 block of North Troy Street.

Read more at CBS Chicago