Surveillance footage shows the shocking moment when a woman stalked her ex-girlfriend and shot her in the back of the head in broad daylight in Brooklyn Wednesday. Footage shows the horrifying moment when Latisha Bell, 38, sprinted up behind Nichelle Thomas, 52, and shot the woman as she headed into a bodega store on the corner of St. Marks place in Park Slope at 1pm. The two women had previously been in a relationship but it was not immediately clear why the two broke up, police sources told the New York Daily News.