S4, E14: When a one-month-old baby turns up dead and stuffed inside a cooler in the East River, Detectives Benson (Mariska Hargitay) and Stabler (Chris Meloni) are horrified, but M.E. Warner (guest star Tamara Tunie) soon makes a shocking discovery --- the baby had a genetic condition that always proves fatal by the time the child is 5 years old. Emmy Award-winner Judd Hirsch guest stars.