Cop movie where two cops were chasing the suspect and they entered a house following the suspect. One was in front of the other and in the house got to the bottom of the stairs before his partner. In the scene the 2nd cop arrives just in time to see his partner get shot at the bottom of the stairs.

On his first day on the job as a narcotics officer, a rookie cop works with a rogue detective who isn't what he appears.

Fifteen years after the events of the feature film, Kyle Craig is assigned to go undercover in an elite squad of the LAPD as Detective Frank Rourke’s trainee to spy on him and report on his off-book methods. As Frank starts teaching his principled trainee the way of the streets, they form an uneasy alliance that will change the course of both their lives irrevocably.

Two cops who are best friends go deep undercover to take down a dangerous criminal. When one cop has his fiancée' kidnapped and is blackmailed to turn against both sides, his partner is under pressure to kill him.

The best friend and partner of a dedicated cop is killed by a pair of holdup men during a routine traffic check.

On the run from a lethal assassin, a wily con artist devises a scheme to hide out inside a small-town police station. However, when the hit man turns up at the precinct, an unsuspecting rookie cop finds herself caught in the crosshairs.

A look at the dangerous and bizarre life of an undercover cop who lives on the edge and the strife and heartbreak that comes with the job. There is also a tremendous amount of guilt and psychological pain when an undercover sting goes bad and they lose a comrade in the line of duty.

A police detective is forced to balance his personal and professional lives after realizing the suspect he is interrogating is having an affair with his wife.

Two cops, Sparks and Pikowski, thrown off the force after a mission gone wrong, are reassigned to a new and risky case: To track down and arrest a dangerous domestic terrorist.

A city finds it is in the grips of a ruthless drug kingpin with little hope of any respite. A cop with an unorthodox style loses his partner after he is murdered by the drug lord's henchmen. Tired of the corruption and strife the criminals have brought to the city, our cop takes on the drug lord with the hopes of cleaning u p the town and avenging his partner's death.

When a pint-sized 8-year-old kid witnesses a murder he offers to help the police, if they make him a cop, too. Saddled with this streetwise sidekick, a hardboiled cop is forced to take his new partner seriously as they race the clock to bring the bad guys to justice.