Two Brothers

Two Brothers is about two brothers that were ex-Navy Seals. They were trained to kill using any weapon on their hands. Nick, the younger brother sold his skills to the Mafia, he becomes a murderer, highly sought out for special jobs. Tom becomes an FBI Special Agent.
Murders being committed by Nick are in Tom's jurisdiction. If that isn't bad enough, every lead they have ends up dead before the FBI and police can get them.