Carly Di Gravia is an army widow who was caught in a recruitment center explosion with her son Mikey, who was killed in the blast. She was a suspect due to her access to the types of materials used for the firebomb.
Due to the sabotage of the case by vigilante group Operation Molly and reasonable doubt from another suspect, Derek Sherman, the charges were dropped against Carly. (L&O: "Crimebusters")