Movies like The Stool Pigeon

A crime photographer gets involved in a conspiracy.

A gangster's son is accidentally killed during a drunken dispute with a rival gang, and Officer Milo's task force is assigned to the case. He soon learns that a hitman has been hired to take out the rival gang leader. While Milo and his crew desperately try to find and stop the hired gun, fearing all-out war in the streets, Lai Fu, a smart but inexperienced killer from a small town in the mainland, arrives in Hong Kong to do his job.

The rivalry between two Chinese prison factions heats up as a seasoned inmate forms an alliance that could cost him more than his freedom.

A corrupt D.A. with governatorial ambitions is annoyed by an investigative reporter's criticism of his criminal activities and decides to frame the reporter for manslaughter in order to silence him.

A mysterious stranger works outside the law and keeps his objectives hidden, trusting no one. While his demeanor is paradoxically focused and dreamlike all at once, he embarks on a journey that not only takes him across Spain, but also through his own consciousness.

After two British Secret Intelligence Service agents are murdered at the hands of a cryptic neo-Nazi group known as Phoenix, the suave agent Quiller is sent to Berlin to investigate.

A police inspector becomes obsessed with apprehending a criminal planning a major heist at the Hong Kong Jockey Club in the weeks leading up to Hong Kong's return to China.

An assassin who is fresh from his latest kill becomes stranded in an island, when he inadvertently befriends a female police officer. As the night progresses, the unspoken truth honored by the two sides of the law is broken. After the remains of a body that belonged to a drug lord and syndicate crime leader are found, chaos ensues and criminals ravage the once peaceful streets in a race against time to find the mysterious murderer that's loose and out for blood.

Anthony Stowe is a dirty cop who is hooked on heroin—and everyone hates him. After a serious accident, he is placed into an induced coma, but emerges from it a better person who wants to put things right.

Bumbling private detective Chan Tam is enlisted by police pal Fung Chak to help in the investigation of a serial murder case. The victims a middle-aged man killed at home, a dead woman found in the trash dump, and a teenage girl slain in the park were all killed in grisly manners, but they didn't seem related to one another. With no clue to follow up on, Tam is decidedly at his wits' end.

In the early 1970s, the Governor of Hong Kong decided to clean up the police force. The ICAC was established, whose operation branch was headed by Yim. Bong and Unicorn also joined the ICAC. Despite threats of violence and intimidation, they managed to bring about the downfall of the empire of graft.

A twice-divorced mother of three who sees an injustice, takes on the bad guy and wins -- with a little help from her push-up bra. Erin goes to work for an attorney and comes across medical records describing illnesses clustered in one nearby town. She starts investigating and soon exposes a monumental cover-up.