Mary Gallagher is a fictional character portrayed by Anne O'Sullivan in the TV series Law & Order: Criminal Intent.
They appear in 2 episodes out of a total of 195 aired
Episodes2
Poison
episode S1.E7 november 2001Goren and Eames suspect a nurse of poisoning several hospital patients with cyanide.Astoria Helen
episode S8.E6 may 2009A man involved in an armored car bank heist is killed six months later in a deliberate explosion. During the investigation, Nichols and Wheeler discover that one of his partners also faked his own death.
- Poison
- Astoria Helen