Yo Soy El Asesino
A sadistic psycho, disguised as a military man and wearing a helmet, attacks and murders (mostly) women in a small town. It's up to the police captain and his girlfriend (who must act as a decoy) to stop him.
Young man grows up thinking that his father's murderer is dead but wanting revenge against the guys who hired him to commit that crime.
A man returns home only to find out his friend is an undercover drug enforcement agent who is trying to dismantle a criminal organization from within.
Jesús was framed for a crime he didn't commit, he serves his sentence and then goes home to get revenge.