Wednesday

A drive-by shooting leaves one man dead and another seriously wounded. Cell phone calls and shell casings point to a suspect, but authorities are unable to place him at the crime scene. When a forensic geologist compared soil from the crime scene with soil found in the wheel wells of the suspect’s car, he proved that dirt is anything but dumb.

When a teenaged girl is found dead on the side of the road, her boyfriend becomes the prime suspect. He eventually confessed to her murder – but so did another man. It would take the passage of forty years, an author, and an expert in the field of pedestrian accident reconstruction to determine who was telling the truth.

A high school gym teacher took time off from class to give his friend a ride home -- and never returned. After his disappearance, his wife and friend received letters, explaining that he needed to make a clean break and start a new life. Investigators suspected foul play but, without a body, the case would be difficult to prove… difficult, but with the help of forensic science, not impossible.

Some people do get away with murder, at least for a while. Flush with their success, serial killers murder again and again. But each time they kill, they leave behind a few more clues, which ultimately lead to their undoing.

In 1987 the New Mexico Penitentiary housed hundreds of violent offenders, rapists, killers, men the juries put behind bars to protect society. On July fourth, seven of those men escaped.

In Boston, FBI agents and local police tracked a gang of robbers who specialized in armored car takedowns. Their MO was familiar. The gang used precise timing to steal millions in cash and burned their getaway cars to destroy evidence.

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.

From the tips of their ears to the soles of their feet - criminals are betrayed by the clues their own bodies leave behind. A killer’s ear against a wall, his hand on a door, the path that he walks – even the slightest impressions left at the scene help crime fighters find their man.

Over the years, Betty Lou Beets had multiple failed marriages, each of which ended in its own unique way. In 1983, she reported her fifth husband missing and tried to stage a boat accident.

Investigators uncover a bizarre web of lies involving a conman posing as a doctor, Lisa Henning obsessed with reptilian conspiracies—leading to one of New Mexico's strangest and most chilling murder cases.

Richard and Aon have a blended family and a second chance at love. When a gunman surprises one of them while getting out of the shower, the daughters of the other are immediately suspicious. But was it the spouse? Or a former business partner, who seems just a little too close to the family?

Eighteen-year-old Taylor Van Diest is on her way to meet friends and go trick-or-treating when she is assaulted and left for dead. She is discovered by her mother and friends and succumbs to her injuries the following day. Now investigators in Armstrong, B.C. must work tirelessly to bring her killer to justice and restore a sense of peace to the fractured community.

In the dead of night, a shooter on a rampage rips through a home, leaving a grandmother disfigured, her 24 year old daughter dead, and a two year-old child clinging to life. Investigators pursue a convoluted trail that ultimately puts Lt. Joe Kenda face to face with a cold-blooded killer.

ItÕs just another meeting for Los Angeles real estate developer Meyer Muscatel. Unfortunately Muscatel meets with Iouri Mikhel, a Russian immigrant with murderous intent. A week later, MuscatelÕs body is found floating in a northern California lake. Mikhel masterminds a kidnap-for-ransom scheme, and he and his crew kill and dump four more victims. With a storyline that includes a bank account in Abu Dhabi and a mysterious Moscow middleman, the case is solved by FBI agents Lour Perez and Jim Davidson and prosecuted by Assistant US Attorney Robert Dugdale. Mikhel and his co-conspirator Jurijus Kadamovas are convicted of five cold-blooded, ruthless murders and, in 2007, are sentenced to death.

The killer of a young North Carolina woman keeps police guessing until he slips up and detectives get what they need to put him behind bars.