On 6/7/20, St. Louis Circuit Attorney Kim Gardner announced that Stephan Cannon, 24, was charged with first-degree murder, first degree robbery, first degree burglary and three counts of armed criminal action and being a felon in possession of a weapon. Cannon allegedly shot and killed 77-year-old David Dorn; a retired police captain from the St. Louis Metropolitan Police Department. Click here to read about how surveillance footage implicated Cannon in the crime.