In one of Hollywood's oldest mysteries, Irish director William Desmond Taylor was found shot to death in his Westlake bungalow on February 2, 1922. Suspects included several actresses and a former chauffeur known to fake a British accent, but the murder has never been solved.

Early studio mogul Thomas Ince died at his Dias Dorados estate in Beverly Hills on November 19, 1924, but he was rumored to have been shot a few days earlier by William Randolph Hearst on Hearst's yacht, off the coast of San Diego. There are a million versions of the story, but they mostly assume that Hearst mistook Ince for Charlie Chaplin, who he believed was having an affair with his mistress, Marion Davies. Officially, Ince died of natural causes.

On February 16, 1929, shortly after oil heir Ned Doheny moved into Greystone Mansion in Beverly Hills, he and his secretary Hugh Plunkett were both found shot to death in a bedroom. It's unknown who exactly shot whom or why, but money, sex, and the Teapot Dome scandal are obviously the most common theories.

On June 20, 1947, LA mob king Bugsy Siegel was sprayed with bullets as he sat reading at the home of his mistress, Virginia Hill. The murder was never solved.

Gangster Mickey Cohen's former bodyguard was stabbed to death on April 4, 1958, by his girlfriend Lana Turner's daughter, Cheryl Crane. Stompanato was abusive and Crane said she was acting in defense of her mother.

On June 16, 1959, TV Superman George Reeves was killed in his house by a single gunshot. It was ruled a suicide, but some insist it was a murder.

Brilliant musician Sam Cooke was shot to death at the Hacienda Motel on December 11, 1964, supposedly by the manager (who said he attacked her). There was a lot of strangeness going on that night (Cooke had a woman with him at the motel who left with most of his clothing), and some people dispute the official story. Today a grocery store can be found where the motel once stood.

Early on June 5, 1968, Robert Kennedy had just addressed supporters after winning the California Democratic primary and was on his way out of the Ambassador Hotel via the kitchen when he was shot several times by Sirhan Sirhan. Most of the hotel was demolished in 2006 to make way for an LAUSD campus.

Ben-Hur star Ramon Novarro was brutally murdered in his Laurel Canyon home on October 30, 1968. Two brothers, convinced that Novarro had a hidden stash of cash, tortured and beat him; the crime scene allegedly involved a silver lead dildo given to Novarro by Rudolph Valentino.

The very next day, the Manson family struck again, murdering husband-and-wife Leno and Rosemary LaBianca at their home in Los Feliz. As in the group’s other murders, police investigating the crime scene found ominous messages written on the walls in blood.

Rebel Without a Cause co-star Sal Mineo was stabbed to death near his West Hollywood apartment on February 12, 1976. A pizza deliveryman was convicted of the murder.

On August 14, 1980, Playboy model Dorothy Stratten was shot to death by her estranged husband Paul Snider at their former shared house in Rancho Park.

Four people, part of or associated with a gang of burglars/drug addicts, were beaten to death with pipes at a townhouse in Laurel Canyon on July 1, 1981. Their friend, porn star John Holmes, was tried and acquitted for the crimes—though police still suspect that Holmes and drug dealer Eddie Nash were behind the slayings.

On April 1, 1984, legendary soul singer Marvin Gaye was shot to death by his father after an argument between the two escalated into a physical fight. The shooting took place at the West Adams home where Gaye’s parents lived.

Lyle and Erik Menendez killed their wealthy parents with shotguns on August 20, 1989 at their mansion in Beverly Hills (the motive was allegedly money). They (and all of America) were subjected to a lurid televised trial.

The great Biggie Smalls was shot in his car outside the Petersen Automotive Museum after a party, early on March 9, 1997 (prior to the museum’s swooshy makeover). The murder has never been solved.

A dispute over the ownership of beloved Los Angeles chain restaurant Zankou Chicken reached a violent climax on January 14, 2003, when Mardiros Iskenderian shot and killed his mother, Margrit, and his sister, Dzovig Marjik. Iskenderian, who was suffering from cancer, then turned his gun on himself.

Robert Durst, son of real estate magnate Seymour Durst, will soon stand trial for the December 2000 murder of his longtime friend Susan Berman, who was shot and killed at her home in the Beverly Hills area..

On February 3, 2003, legendary music producer Phil Spector shot actress Lana Clarkson to death in his house in Alhambra. He was sentenced to 19 years to life for the murder.

Hip hop mogul Suge Knight was sentenced last month to 28 years in prison for fatally running over his friend and business associate Terry Carter on January 29, 2015 during promotional filming for the movie Straight Outta Compton.