The First 48 (2004)

S3E4 Evil Streak / .50 Caliber

Title: Dark Intentions / .50 Caliber Plot: In the vibrant city of Las Vegas, Detectives Mike Wallace and Mark McNett are thrust into a chilling investigation after a young woman's life is violently taken in her own home. With limited physical evidence at their disposal, they must unravel whether her murderer was a complete stranger or someone from her inner circle. Meanwhile, in Miami, Detectives Rolly Garcia and Orlando Silva are on the hunt for a massive handgun used in a brazen shooting on a quiet street; the .50 caliber Desert Eagle is so unique that it’s a first for the Miami crime lab.