Nullification

S8 E5: A security guard is killed and another is injured when a New York State betting facility is robbed by three masked gunmen. Upon investigation, Detectives Briscoe (Jerry Orbach) and Curtis (Benjamin Bratt) are led to a quiet suburb - and a militia that does its recruiting over the Internet. Later in court, McCoy (Sam Waterston) is pitted against the outspoken leader of the group and finds himself questioning his beliefs - and his and Ross' (Carey Lowell) safety. S. Epatha Merkerson and Steven Hill also star.