Monday

When messages for two wealthy sun-seekers start piling up at their luxury Acapulco hotel, police scout the area – but the breakthrough clue comes from a letter sent back home.

A German woman and her boyfriend vacation in Miami Beach, Florida. But a late night drive through a sketchy part of town leads to murder – and the mystery of who pulled the trigger.

Sometimes when a death seems to be accidental or the result of a tragic accident, it is up to forensic scientists to reveal the deception lying just below the surface. Watch as law enforcement officials uncover the hidden betrayals that reclassify cases from accidents to homicides.

There are several things that can suggest murder; jealousy, anger, poison…when everyday substances reveal hidden clues that break a homicide case, those substances become the elements of murder.

On Halloween night, Erik Poltorak opened his door, unaware of the danger awaiting him. What happens next leaves detectives struggling to unravel a carefully laid plan.

For 23 days in october, 2002 a sniper terrorizes the washington dc area, shooting thirteen people and killing ten. The victims are ordinary people doing routine activities.

Costumed partiers face off with annoyed police officers.

Dr. G takes us through the most surprising results of some shocking autopsies.

When police recovered the submerged car of a man reported missing, they fully expected to find his body... but it wasn’t there. His broken eyeglasses were on the floor of the vehicle and the interior was coated with motor oil. The investigation which followed would uncover an obsession turned deadly, and the motive for murder.

Emergency dispatch received a call from a man who said his girlfriend shot and killed herself. Police found the victim in the caller’s house, lying in a pool of blood with the gun next to her on the floor. The autopsy revealed that the gunshot wound was not self-inflicted… and the evidence found on her body would give police a golden opportunity to catch her killer.

A native American woman was brutally killed in the desert of New Mexico, and the crime scene was rich in forensic evidence: tire tracks, shoe impressions and even the murder weapons. The site was less than 10 miles from another crime scene where, two years earlier, a male native American was beaten and stabbed to death. Police began to wonder: Was a serial killer on the loose?

A brilliant young architect became ill and died just before she was to testify in a criminal trial. The autopsy revealed she’d been poisoned with arsenic; it was a slow and painful death, so suicide was unlikely. Investigators had to determine who among her family, friends and business associates had a motive for murder.

Most victims of multiple murderers are meticulously chosen because of a mutual connection with the killer or because they match an intricate set of criteria that fits the killer’s mo. The most frightening cases of murder occur when the killer appears to choose victims at random, without an apparent connection.

On Mississippi’s Gulf Coast, a Judge and his politician wife are murdered in their home. The killer left few clues. It looked like a professional hit, and the investigation led nowhere. But the FBI refused to give up.

In a city awash in narcotics the drug lords have all the power even over the police. Corruption in New Orleans grew like cancer, eating away at public safety and threatening to destroy the city. Crooked cops break the laws they were sworn to uphold.

The beautiful, blonde, highly popular Dr. Teresa Sievers, was a rising social media star when she was found bludgeoned to death in her Bonita Springs, Florida kitchen. It was the 3rd suspicious death of a holistic doctor in several weeks. But detectives soon came to focus on her stay-at-home husband Mark, who had taken out a multi-million dollar life insurance policy on his successful wife, in a murder-for-hire scheme.

The discovery of an abandoned suitcase containing a young asian woman’s body leads north yorkshire police to london. But instead of answers, the mystery only deepens when they discover that a second woman is missing. The killer’s trail leads investigators and forensic scientists halfway around the world – only to discover that the key to unlocking the mystery has been under their noses all along.

After years of physical abuse, Karra Trichele Allen and her husband Brian take a dangerous turn in their relationship.

When 71-year-old Colleen Harris discovered her 73-year-old husband Robert was having a long-distance affair with a 35-year-old woman in Mongolia, she decided to teach him a lesson.

Prominent Houston orthodontist Clara Harris appears to have the perfect life until jealousy and heartbreak explode into violence. In a case that captivates America, Harris runs down her husband with her Mercedes in front of witnesses, creating one of Texas’s most infamous crimes.

In Sioux Falls, South Dakota, young mothers become prey for a sexual sadist who stalks them, using homemade "tire-poppers" to force them off the

Five people are shot in a cold-blooded robbery. With much of the evidence lost in a fire set by the suspect, Kenda’s search hinges on a fuzzy surveillance photo. An exhaustive manhunt ends in a chilling confrontation with an Eagle Scout turned killer.

Known as the Vampire Rapist for his distinctive modus operandi, Wayne Boden would rape, strangle and bite the breasts of his victims. It was a bite mark that he left on his Calgary victim that proved he was the person responsible for these crimes. Superior evidence gathering and the help of a local orthodontist would work to ensure his conviction for his Calgary crime, and force him to plead guilty to three similar cases in Montreal.

In 1996, teenaged Joey Martin sneaks out of his bedroom window to watch a comet from a cabin in the woods and disappears. Despite multiple leads, there is no sign of Joey until 2008 when a young detective uncovers the shocking story of his fate.

When an 18-year-old girl falls in love with a man nearly 15 years her senior, her parents warn against it, but no one could predict the danger she is in.

In Madisonville, Ky., a respected businesswoman is discovered bludgeoned and stabbed to death in her home, which leads to an investigation.

In this episode, a feud between neighbors turns into one man’s fight for survival. Plus, an assault on a spectator turns a monster truck show into a monster riot. And later, a road raging bicyclist hunts down a cabbie and slashes him with a knife. Tv-14-v