Friday

They thought the fire would cover their crime. But one tiny clue, no bigger than a thumbtack, remained. It held all the information investigators needed to put a trio of cold-blooded killers behind bars.

For ten years, the disappearance of a college co-ed remained a mystery. And then new scientific testing cast a different light on a man who had been a suspect all along.

A burning body in a dark alley shed light on a cold-blooded killer. His partners in crime would tell the story, if they lived. In the underworld of the drug trade, even a childhood friend can quickly become an enemy.

New York City is not stranger to gang violence. But when a 12-year-old child was kidnapped, the gangs had crossed a line. Law enforcement raced to find the missing boy before it was too late.

High tech forensics: Investigators are always on the cutting edge of new forensic techniques that can help them solve cases more accurately. An experimental "brain fingerprinting" technique has already won the acquittal of a police officer accused of a drug charge. Solving crimes by computer and robotic police offers provide investigators allow crime-solving to take on a new-age dimension, and provide safer and more efficient ways to capture an embezzler, a drug-dealer or a killer.

Outwardly, Mark Jensen seemed to be a mild mannered, loving husband - grieving over the suicide death of his wife. But when police found traces of antifreeze in her autopsy, they started to question what was really going on at home.  

Sometimes law enforcement personnel behave the same way as the people they arrest.

Police struggle with a drunk man on a scooter in a Walmart.

Police confront three men accused of joyriding on a city-owned UTV.

Bar owner asks police to to kick a prominent Florida family out of their bar.

Man offers to go “toe-to-toe” with five officers who confront him.

A man who was once accepted into a small Quebec community and commonly referred to as Bill lÕAnglais turns out to be a murderer, whose crimes cover nearly twenty years. When he makes four trips from Barrie, ON to Montreal, QC in the fall of 1999 in an accelerating frenzy of rape and murder, he leaves behind a single fingerprint. Through skillful police work and intense surveillance, the police are able to catch their killer in the process of disposing incriminating evidence.

When carefree restaurant worker Donald Ott is found shot to death on Christmas Day, friends tell police he didn’t have an enemy in the world. But when Lt. Joe Kenda speaks with family, he learns of a relative with a long criminal history who might hold the key to the mystery.

A burning body in a dark alley shed light on a cold-blooded killer. His partners in crime would tell the story, if they lived. In the underworld of the drug trade, even a childhood friend can quickly become an enemy.

New York City is not stranger to gang violence. But when a 12-year-old child was kidnapped, the gangs had crossed a line. Law enforcement raced to find the missing boy before it was too late.