BALTIMORE (WJZ) — Nearly one week after Baltimore Police Department detective Sean Suitor was gunned down, investigators say they are making progress, but his killer is still free.

Police now say Suiter was shot at close range while investigating a triple homicide in west Baltimore.

Police remain on the scene in Harlem Park. Monday, based on the autopsy results, they say they uncovered significant new evidence.

READ MORE HERE: http://baltimore.cbslocal.com/2017/11/21/slain-detective-remembered/