The best Emilio Messina’s thriller movies

Drug use in the city of Rome is at an all-time high. Children score from dealers in front of their schools, mules waltz straight through airport security, and Interpol's main man, Mike Hamilton (David Hemmings), is at his wits' end. Fed up to the back teeth with the local police force's incompetence, his only hope is to rely on one of his own men, Fabio (Fabio Testi), an officer so deep undercover that no-one but Hamilton knows who he really is. Even as Fabio gains the trust of cartel leader Gianni (John Loffredo), however, the dealers are edging ever closer to the truth, and when his cover is blown, the hunter becomes the hunted as Fabio finds himself alone in a desperate fight to survive.

Nico Palmieri is a police inspector who battles a criminal gang terrorising a sleepy Italian town, extorting cash from the local merchants. With the threat of violence, no one dares to act, except for a restaurant owner who is forced by Palmieri to tell the truth. As a result, the owner's young daughter is raped, and the violence continues. Discovering that the gang is associated with drug dealers, Palmieri is forbidden to continue investigating his case by his superior - so he takes matters into his own hands. Palmieri recruits a couple of men who have become victims of the gang and sets out for a bloody revenge.

A Union soldier returns from the dead to take revenge on three officers who betrayed his unit in battle.

In Rome, a vagrant finds the body of a teen girl, her throat professional slashed. Police inspector Olmi uses his brutal and violent methods to follow a trail that leads him toward high government officials. When his methods leave an innocent bystander dead, the corrupt officials have an excuse to get Olmi transferred to a coastal town where the pace is slow and he has time for a romantic dalliance. Soon, Olmi discovers that fishing isn't the only local occupation, and out comes his gun and his ruthless tactics of investigation.

Ray Lovelock stars as Massimo, a young undercover cop with a taste for violence and a thirst for revenge! Massimo gets himself arrested and quickly infiltrates the ranks of the underworld figure serving a sentence. Eventually a breakout is planned and Massimo is to be included. Just about as soon as they hit the street an attempt is made on the boss' (Martin Balsam) life. Massimo acts quickly in helping to save him and that's the in he has been waiting for