Best movies like Dan August: Once Is Never Enough

On the afternoon of July 1, 1981, Los Angeles police responded to a distress call on Wonderland Avenue and discovered a grisly quadruple homicide. The police investigation that followed uncovered two versions of the events leading up to the brutal murders - both involving legendary porn actor John Holmes.

A small-time gambler on the run from the law hides in his ex-wife's house.

An idealistic rookie cop joins the LAPD to make ends meet while finishing law school, and is indoctrinated by a seasoned veteran. As time goes on, he loses his ambitions and family as police work becomes his entire life.

A tough homicide cop is assigned to track down a serial killer who is murdering prostitutes.

Set in Kansas City in 1933, Eastwood plays a police lieutenant known simply by his last name, Speer. Reynolds plays a former cop turned private eye named Mike Murphy. Both Speer and Murphy served on the force together and were once good friends, but are now bitter enemies. When Murphy's partner is slain they team up again to fight the mob.

An obsessive, insubordinate homicide cop is convinced a serial killer is loose in the Hollywood area and disobeys orders in order to catch him.

Veteran buttoned-down LAPD detective Roger Murtaugh is partnered with unhinged cop Martin Riggs, who -- distraught after his wife's death -- has a death wish and takes unnecessary risks with criminals at every turn. The odd couple embark on their first homicide investigation as partners, involving a young woman known to Murtaugh with ties to a drug and prostitution ring.

Set during the Rodney King riots, a robbery homicide investigation triggers a series of events that will cause a corrupt LAPD officer to question his tactics.

Two Los Angeles homicide detectives are dispatched to a northern town where the sun doesn't set to investigate the methodical murder of a local teen.

Joe Gavilan and his new partner K. C. Calden, are detectives on the beat in Tinseltown. Neither one of them really wants to be a cop, Gavilan moonlights as a real estate broker, and Calden is an aspiring actor moonlighting as a yoga instructor. When the two are assigned a big case they must work out whether they want to solve the case or follow their hearts.

Two homicide detectives try to find just the facts behind a mobster's brutal murder.

Ex-San Francisco vice cop Samantha Roarke and Hollywood homicide detective Ryan Hayes team up to investigate an international drug cartel in Los Angeles, leading them to an ex-CIA operative turned drug kingpin who's organizing a heroin distribution center in the city.

Police officer Tom Sharky gets busted back to working vice, where he happens upon a scandalous conspiracy involving a local politician. Sharky's new 'machine' gathers evidence while Sharky falls in love with a woman he has never met.

LAPD K-9 officer Jake Rosser has just witnessed the shocking murder of his dedicated partner by a mysterious assailant. As he investigates the shooter’s identity, he uncovers a vast conspiracy that has a chokehold on the city in this thrilling journey through the tangled streets of Los Angeles and the corrupt bureaucracy of the LAPD.

A Jewish homicide detective investigates a seemingly minor murder and falls in with a Zionist group as a result.

Two detectives investigating a gang-related find themselves targeted by both gang members and crooked cops.

The body of teenager Gloria Hollinger is found dead on a Los Angeles beach, and Lt. Phil Gaines is in charge of the investigation. Gaines learns that the girl, a stripper and prostitute, committed suicide, but he ignores the connection between her and a powerful mob lawyer, Leo Sellers. Hollinger's father, however, is not satisfied with Gaines's results, and attempts to investigate the case on his own.

Two homicide detectives are investigating the murder of a beloved glamour model and everyone's a suspect, including her female co-workers, elderly boss and even his assistant who's also the girlfriend of one of the detectives.

When a police officer is murdered, Captain Street looks to Mr. Wong to catch the killer. Prime Suspect: Frank Belden Jr., whose father is a businessman well known for both his success and dishonesty. Mr. Wong faces increasing danger and is nearly executed himself as the investigation develops in treachery and complexity. As Mr. Wong follows the trail of dead bodies, he uncovers a jewel smuggling ring on the San Francisco waterfront and a case much larger than the death of a police officer.

Bookkeeper Sam Wilson learns from his boss, Malcolm Jarvis, that he is losing his job because the company is closing down. Jarvis then makes a strange proposition, saying he intends to commit suicide but wants Sam to make it look like a murder, in order for his wife and son to inherit Jarvis's life insurance. Sam declines, but when he goes to see Jarvis and finds his dead body, he reluctantly goes along with the scheme.

A newly promoted police sergeant discovers his girlfriend my be involved with a gang of car thieves.

Homicide cop Rita Cates takes a murder case where the victim is a Las Vegas stripper. The investigation immediately takes a perverse turn when she discovers the prime suspect: a psychotic ex-cop with whom she once had a torrid affair. That initial affair drove Cates' husband to suicide, but it doesn't stop her from picking up where she left off. In the heat of passion, she jeopardizes the case, her career and her life.

An obsessed cop is on the trail of a serial killer prowling the streets of Buffalo, N.Y. but when his teenage daughter disappears, he drops any professional restraint to get the killer.

Eying a large inheritance, a reporter marries a rich woman with failing health. When she begins feeling healthy after the wedding, the reporter takes drastic measures to make sure his wife dies.

Years after the institutionalizing and abandoning of their mentally unstable daughter, the Kilpatrick family becomes victim to mental instabilities of their own as their past comes back to haunt them.

Also known as "Dragnet 1966," this TV movie was originally the pilot for the 1967 relaunch of the original 1950s "Dragnet" radio show and TV show (which also had it's own movie in 1954, from the same creative team). However, the pilot wasn't actually aired until 1969. In this feature-length entry, Sgt. Joe Friday is called back from vacation to work with his partner, Officer Bill Gannon, on a missing persons case. Two amateur female models and a young war widow have vanished, having been last seen with one J. Johnson. In the course of tracking down Johnson and the young ladies, the detectives wind up with two different descriptions of the suspect, one of which closely resembles a dead body found in a vacant lot. But the dead man, later identified as Charles LeBorg of France, proves not to be J. Johnson, when a third young model disappears.

Based on the true story of Richard "The Night Stalker" Ramirez who terrorized California in 1985 and the two Los Angeles police detectives who try to track him down.

The chilling true story of the "two of a kind" killing cousins, Angelo Buono and Kenneth Bianchi, better known as the Hillside Stranglers.

Mike Stone's back and his old partner, Steve Keller, is missing. So Mike heads up an investigation. At the same time, he is investigating another brutal murder. And he is trying to decide which of two inspectors shall he recommend for the position of Lieutenant; a woman who has a "Dirty Harry" tendency or a man who reminds him of Steve Keller.

A serial killer is after hookers and strippers. A male detective and his female partner are assigned to stop him.

A serial killer is loose on the streets of Atlantic City. His ten victims are prostitutes, his methods are ruthless and yet his motives are unknown. Two embattled homicide detectives, Mayfield and Jesse, are in a race against time to catch this killer. They have just a few hours to utilize all of their resources and prevent murder number eleven. But with very few leads, very little support, and luck playing against them they are in for a long night because being wrong is unforgiving and number eleven is already gone.

Police detective Jack Flinder is already in trouble with the rest of his force for imprisoning a corrupt partner, but now he has a new problem to deal with. Another officer has been murdered in a hotel room, where he was with a prostitute named Lisa, who managed to escape with her life. Flinder has to track down Lisa to find out what happened, but the answer proves the corruption in his department runs much deeper than he had initially believed.

A homicide detective assigned to investigate the serial killings of New York policewomen begins to suspect that the serial killer might be a fellow police officer.

A schoolteacher and amateur sleuth suspects foul play when a fellow passenger on a seaplane gets sick and dies. The third and final film with Edna May Oliver and James Gleason as the astute schoolteacher Hildegarde Withers and the New York Police Inspector Oscar Piper busy solving crimes.

A white female detective is partnered with a black male detective to find the person who is committing a series of particularly vicious murders. During the course of the investigation the two begin to develop an attraction to each other, but the situation is complicated by the fact that he is married.