Editor's note 6 p.m. - This story has been updated with new details from St. Louis County Police. A St. Louis County police officer was shot late last night in north county, leading to a standoff with the suspect that lasted until early this morning, police say.
The suspect has been identified as 28-year-old Jo'Von Mitchell, an ex-con with a lengthy criminal record.
St. Louis County police Chief Jon Belmar told reporters Mitchell was wanted for a July shooting, and officers tracked him to his home in the 10400 block of Royal Drive in the north county suburb of Castle Point.
They were knocking on the front door when Mitchell slipped out of a side door and opened fire, police say.
The officer, who'd joined the county just a month ago, was hit in the left arm at least once, police say. The shooter ducked back inside while the wounded officer was rushed to a hospital.…