From 1979 to 1981, more than two dozen of Atlanta's black children disappeared without a trace; a look at who was killing the city's most vulnerable and why.

Investigators believe Wayne Williams, a 23-year-old black man murdered more than two dozen black children and young men in Atlanta; 40-year-old evidence is reexamined using modern forensics in search of more answers.

When in 1999, young women mysteriously disappear from Yosemite National Park, investigators determine foul play and a prime suspect emerges, then escapes.

The key suspect in the murder of young women in Yosemite National Park is caught, but it's up to an exceptionally skilled FBI agent to dismantle his web of lies and denials to draw a confession.

In 2003, the wildly successful careers of master illusionists Siegfried & Roy come to a shockingly abrupt end when one of the team's prized tigers bites Roy Horn on the neck and drags him offstage.

Roy tries to recover from severe wounds inflicted by his beloved tiger Manticore, but the team's excuses for the animal's behavior lose credibility upon further investigation.

On April 15th, 2013, two bombs explode during the iconic Boston Marathon, killing three spectators and injuring hundreds of others. In a race against time, investigators, using state-of-the-art technology, circulate images to the public of the two suspects dubbed "black hat" and "white hat."

With the Boston Bombing suspects identified as domestic terrorist brothers, the manhunt begins, a terrifying crime spree ensues, and new information sheds light on the heinous crime.

News of the sudden passing of celebrated rock musician Tom Petty shocked fans worldwide, but a deeper look into the music legend's life reveals physical and emotional afflictions that may have led to his death at age 66.

Who would want to murder the father of beloved superstar Michael Jordan? When in 1993, James Raymond Jordan Sr. goes missing and his luxury car is found stripped and abandoned in North Carolina, clues point to a tragic crime.