While investigating the murder of a mild-mannered retired teacher found bludgeoned to death in the bathtub of his Hollywood home, detectives discover a cache of secret letters that could spell out a deadly motive and lead them to a monster.

A young woman with film industry dreams disappears after leaving her home for a movie audition, leaving detectives to navigate Hollywood's murky underbelly in search of a treacherous serial predator.

When a popular restauranteur disappears, investigators must rely on a patchwork of witnesses and a local journalist to uncover treacherous secrets… all of which leads them to a grisly killer with an unappetizing M.O.

When a recently engaged Manhattan Beach police officer is gunned down during a routine traffic stop, detectives rely on the eyewitness account of a traumatised young boy to track down a cold-blooded killer.

When a well-liked Hollywood cameraman is brutally murdered in his home, detectives trace a tangled web of lies that leads them to yet another body and a killer who will do anything to realize the California dream.

After a man mysteriously dies in his doctor's office, a routine call from a life insurance company plunges investigators into a twisted world of mystery, money and murder where they must unravel a complex web of lies and false identities.

The shocking murder of a Van Nuys newlywed goes cold for 23 years until detectives bent on justice revisit the brutal evidence, including a bite mark on the victim's arm that leads them to the most unlikely killer.

Detectives are plunged into a world of occult worship and shadowy characters as they try to solve the brutal murder of a promising UCLA student found butchered in a railroad tunnel that has a diabolical reputation.

When a beloved model, actress and former L.A. Raiderette cheerleader vanishes in broad daylight after leaving her Hermosa Beach home, a media frenzy engulfs the entire city as detectives embark on a desperate search for a sociopathic killer.

After the proprietor of the thriving Silent Movie Theater is viciously gunned down in his own lobby, the LAPD leans on luck, a hit TV series, and its vast network of informants to uncover a conspiracy to commit murder.