Law & Order: Special Victims Unit Season 9 Episode 10 : Snitch

When a polygamist's wife is killed, the Nigerian national fears his testifying in a separate crime may have led to his wife's murder. Detectives Olivia Benson and Elliot Stabler investigate only to find a website exposing potential witnesses to the other crime leading the SVU to believe that his cultural tradition may be the root cause of his wife's murder.