Double Abandando

Donna's sister Dana moves in with her and Greg; later she tries to move in on Greg. Shots are fired at the school across the street, but Bobby doubts the confession of his friend's son, the 11-year-old murder suspect in a gang related shooting. A lothario appears to be targeted by a woman he's infected with HIV, Lesniak and Martinez try to bring him down for reckless endangerment.