Aired: March 30, 2010 | Season: 20 | Episode: 18

Overview
Runtime: 45m
Directed by: Jean de Segonzac
Written by: Keith Eisner, René Balcer
Description
When an environmental scientist, Dr. Oscar Silva, is poisoned during a global warming symposium, Detectives initially suspect competitors from Dr. Silva's field of study. It is soon discovered that Dr. Silva is involved in a messy custody battle with his wife’s ex-husband, Phillip Shoemaker. The focus of the investigation quickly shifts to the victim’s family.