Surveillance footage shows four men lingering outside the Stop 1 Food Store in Northwest Baltimore Wednesday evening, oblivious to what's about to come.
A man in a striped Adidas jacket talks animatedly, gesturing with his hands. A customer walks past the group and exchanges a few words. A child sits in the passenger seat of a hatchback parked nearby.
Creeping up from the side of the building comes a man in a hoodie. He fires a handgun in quick bursts. One man, shot in the back, crumples to the ground. The man in the Adidas jacket turns and runs, as do two others. The gunman continues spraying bullets.
Then he turns to the victim bleeding on the ground at his...