After a well-known makeup artist is shot on a lonely N. Hollywood street, a rival coworker jumps to the top of the suspect list. When the forensic scientists at LA’s Scientific Investigation Division discover a pipe bomb in the suspect’s apartment, the investigation becomes much bigger…and deadlier.

In the exclusive Los Angeles neighborhood of Hancock Park, a beautiful attorney is killed in her home. But was this a crime of passion or a predator on the loose? When investigators are at a dead end, an expert in LA’s Scientific Investigation Division puts a new twist on an old technique to catch a killer.

A young father is found murdered in his living room… killed by three shotgun blasts to the head. At first, it looks like a home invasion robbery gone wrong. But investigators from LA’s Crime Lab, the S.I.D., suspect something far more sinister: an execution in cold blood. Will the evidence prove this was no random killing?

An affluent Brentwood couple is gunned down in their driveway. No valuables are taken and LA’s Crime Lab, the S.I.D, believe that the couple are victims of a professional “hit”. But who would want them dead and why? The trail of evidence leads to Las Vegas and a cold-blooded murder for hire.

An off-duty police detective is shot down while responding to a neighbor’s report of a prowler. For police, it’s personal – one of their own has been killed. Using ballistic tests and a unique surgical-like procedure the S.I.D. tries to solve this murder of a man in blue.

An 86 year old woman is stabbed to death during a home robbery. Police have few clues and the case goes cold. Very cold. 16 years later, a dogged detective working with SID investigators and modern technology, sets off on the trail of a vicious killer. Will they have enough evidence to build a case?

Six times a man has cheated death… and now he’s living in a constant state of terror. Someone wants him dead but he doesn’t know who or why. The seventh time his luck runs out. Now the team from LA’s Crime Lab, the S.I.D., must pull out all the stops to find the crucial piece of evidence that leads to the relentless killer.

A woman in Los Angeles is being stalked. She secures her home, installs a surveillance system, but still the assaults continue. Dead animals are found on her property. Her car and house are vandalized. And finally, she is murdered in her own back yard. Now, SID must find the one clue that links the killer to this brutal crime.

At first glance, it looks like a car accident. A mother is dead. Her daughter critically injured. But upon closer inspection, it’s clear that someone wanted these two women dead. SID investigators are called in to find the killer who devised this elaborate blueprint for death.

A young Asian student is found stabbed to death in an alley near Beverly Hills. There are no eyewitnesses and little to go on. The police investigation leads to LA’s Burmese community where they uncover a money scam … with lethal consequences. Now, it’s up to SID to tie the killer to the crime.

A Halloween party turns tragic when two young party goers are hunted down and killed in the streets of Los Angeles. The only clue to their murder is a mysterious pair of eyeglasses left near the scene of the crime. Did they belong to one of the victims? Or the gunman? SID investigators must find a way to bring this case into focus… and put a killer behind bars.

A young mother is stabbed to death in her home. Within the chaos of the crime scene, SID investigators use an innovative technique to uncover sets of fingerprints and footprints…. forensic clues they hope will lead them directly to the killer. It will take SID’s cunning know-how and dogged determination to bring the murderer to justice.

When a woman asks for a ride home from a local tavern, it’s the last time she’s ever seen alive. The woman is later found raped and strangled. The only clues to the crime: a strange type of foam material compressed to her body -- and a hair that doesn’t seem to match the victim’s. SID is called in to find the man responsible for her murder… before he strikes again.

A wild accusation. A missing body. And a bloody mattress that is nowhere to be found. That’s the scant evidence that LA’s Crime Lab, the S.I.D., has to work with in solving this baffling mystery. Using state of the art technology and an imaginative demonstration, investigators try to shine a light on this lurid tale of murder and betrayal.

When the bullet-ridden body of a young man turns up in the San Fernando Valley, police are at a loss to explain how it ended up there. Years later, a tip from an LA gang member leads investigators to the home of a career criminal, who is due to be paroled. SID must now search for the forensic evidence that will take keep this killer off the streets... for good.