The First 48: Season 4, Episode 3

4 - 3: The Witness / The Trunk

Miami detectives Ricky Martinez and Fernando Bosch investigate the double homicide of a husband and wife. As they race against the clock to find the killer, they discover that their best witness in the case tragically also has the most at stake. And in Memphis, Sgt. Ron Collins and his team must solve the mystery behind a car discovered on the edge of town.