Crackhead Cathy

S1, E6: When two cops working the projects make the life-or-death decision to rush an injured child to the hospital without waiting for an ambulance, Frank winds up defending them against accusations they aggravated the child's injuries. As Jill and Alex pursue the suspect who assaulted the child, Frank tries to protect the child's mother, an ex-junky and informant who's being manipulated by a greedy lawyer. When the mother turns on Frank, he's forced to throw the rulebook out the window to save the two cops.