Episode Detail: The Wrong Man? Marty Tanklef - The Investigators
A look at the grisly 1988 murders of Seymour and Arlene Tankleff inside their Long Island home. Police zeroed in on the couple's 16-year-old son, Marty, who was eventually convicted of the double homicides in 1990. Tankleff, however, maintains he's innocent, as do some friends and family members.