MARYLAND HEIGHTS, Mo. (First Alert 4) – The St. Louis County Police Department has released video of an officer-involved shooting in Maryland Heights.
The fatal shooting happened at the Walgreens in the 12500 block of Dorsett on Nov. 30, 2025.
According to police, officers were called to the Walgreens for reports that a man armed with a pistol entered the store around 6 p.m. Surveillance video shows Jacob Mercer, 23, walking to the cooler and removing a drink before sitting in the pharmacy area until police arrived…