Tuesday

When an Olympic gold medalist agrees to help a man, who poses as a triathlete, she is unaware that he wants more than just coaching.

As actress Aasha Davis' career takes off, her sister and brother-in-law go missing.

In this episode, a drug addict charges cops with a butcher knife; a gun-toting man threatens a neighborhood and gets blasted with rubber bullets; and a knife-wielding murderer attempts a high-rise escape but is shot with 800 pounds of water pressure. Tv-14-lv

In this episode, an amateur arsonist accidentally sets fire to himself; thieves try to heist an atm but have to ditch their vehicle after getting it stuck in the store; plus, cops spot a brief-wearing man in the middle of a window bashing rampage. Tv-14-l

In this episode, car thieves turn a mad escape into a demolition derby; a biker with a bad attitude bites the dust with a bone-breaking bang; and an armed man who opens fire on a cop ends up in a deadly crash. Tv-14

In this episode, politicians go berserk and bash each other with everything within reach; a drunken madman takes on two men and a woman, and then goes after the cameraman; and, a scrappy fighter silences all with jaw jolting knockout blows. Tv-14-v

When teenagers are driven to kill, their victims are but the first to fall. In three such cases, the families of the killers, as well as their communities, become the victims of violent crime.

Steven and Crystal McDowell were never a good match. After a year of marriage she wanted out, but Steven struggled to accept the split. For years he deluded himself that reconciliation was just around the corner. Then Crystal disappeared during a deadly hurricane. Was she the victim of a natural disaster?

Glyn Dix met Hazel while he was serving a life term for a brutal rape and murder. After convincing her he had been framed, the couple fell for one another. But five years after his release from prison, Glyn finally showed Hazel his true colours.

The woman was dead. The man had been shot four times but he survived. When the man’s version of events was at variance with the evidence, investigators turned to forensic science, hoping to determine if this was a botched robbery, or cold-blooded murder.

How did the stalker obtain the security system code for his victim’s home? How did he steal her personal photographs? Police needed answers, and they found them in the most unlikely of places: the letters he wrote to frighten the victim and taunt those trying to protect her.

After inspecting storm damage to a home in Tampa, the insurance assessor simply disappeared. Thirty hours later, her body was found in a nearby river. But the killer had been careless, using a murder weapon so unique and leaving behind clues so blatant that police would have no trouble tracking him down.

When a hit-and-run accident claimed the life of a high school athlete, everyone in town mourned his passing. Finding the killer was a long shot at best, but investigators hoped tiny paint chips and pieces of plastic found at the scene would lead them to the person who was behind the wheel.

A small town in Colorado is on edge after a series of deadly bombings, and police race to find the culprit before he strikes again. Ultimately, it was the bombs themselves, along with the tools used to make them, which led investigators to the perpetrator.

Lives changed in the 20 years following an unsolved murder, and so did forensic science. In time, a high-powered microscope and DNA profiling revealed not only a clue no one had seen before… but also the identity of the killer.

Philadelphia’s vidocq society, named after an 18th century french detective, is one of the world’s most unusual crime-solving organizations. These prominent sleuths solve a murder case from a missing shoe, and successfully prove homicide without a body.

A man is gunned down on a Louisville sidewalk during Derby week. A few weeks later the bodies of two teenage boys are found burned and abandoned in a vacant lot. Detectives investigate a strange connection between the murders.

A prominent attorney found dead in his small southern town. Was his killer an enemy? Or a friend?

A man dies after robbing a bank when a bomb that was placed around his neck detonates.

In 2001, a mother of triplets is found strangled in her Puyallup, Washington, home. Was she the victim of dangerous obsession, or a classic love triangle? As investigators piece together the victim's final moments, a shocking killer is revealed.

In 1985, a popular high school girl is found murdered in the Angeles National Forest. Investigators run through a network of a classmates, rivals, and troublemakers to find her killer. Years later, a break in the cases exposes the shocking truth.

In Georgia, just days before Christmas, Beverly Eller is found murdered in her apartment. After years of tireless investigation, a critical piece of evidence helps investigators unravel the bizarre chain of events that led to Beverly’s tragic murder.

Sondra Better’s life was cut short in a violent attack in 1998, leaving behind a mystery that puzzled detectives for years. A surprising clue surfaces two decades later, shedding light on the truth.

After shooting his victims in the head, the killer staged the scene, placed the incriminating evidence into a plastic bag and tossed it into the river. Instead of floating downstream, it became entangled in overhanging branches. Days later, when police found it, they hoped clues to the killer’s identity and the solution to the crime were “in the bag.”

In a tragic twist of fate, just days after the woman sold her home and moved to a modest trailer, a fire took both the trailer and her life. But the autopsy proved this was no accident. It was arson and murder. Investigators had to determine who wanted the woman dead... and why.

A security guard disappeared from his post without a trace; his remains were found a year later in a remote camp site. More than a decade would pass before a phone call breathed life into the cold case, and a paint smear on the bottom of the victim’s boot helped scientists determine what happened during the last hour of his life.

A college senior was found raped and murdered near an unpaved footpath used by students to walk from one side of campus to the other. Five years earlier, a student was assaulted and killed in her off-campus apartment and, a year after that, another student was killed in almost the same way. Police feared a serial killer was on the loose and they needed to determine what -- or who -- these women had in common.

A single mother of two believes that she's found her romantic partner when she runs into a former schoolmate, but his charming ways hides his true character.