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A teenager is convicted of encouraging her boyfriend to kill himself.

A teenager is convicted of encouraging her boyfriend to kill himself.

Hikers find a 21-year-old UCLA student's body in a Los Angeles-area train tunnel.

A dancer is murdered in her home; detectives find the case more complicated than previously thought.

When a healthy 31-year-old father dies suddenly, an autopsy reveals poisoning by antifreeze.

Police suspect a serial killer when two women and their teenage daughters are murdered.

The trial and murder conviction of Jodi Arias and the salacious relationship that ended in tragedy.

A man says he found his wife dead in the bathtub, but the woman's daughters suspect foul play.

A teenager is convicted of encouraging her boyfriend to kill himself.

Hikers find a 21-year-old UCLA student's body in a Los Angeles-area train tunnel.

A dancer is murdered in her home; detectives find the case more complicated than previously thought.

When a healthy 31-year-old father dies suddenly, an autopsy reveals poisoning by antifreeze.

Police suspect a serial killer when two women and their teenage daughters are murdered.

The trial and murder conviction of Jodi Arias and the salacious relationship that ended in tragedy.

A man says he found his wife dead in the bathtub, but the woman's daughters suspect foul play.

Las Vegas detectives investigate the fatal shooting of a U.S. Air Force Airman.

A Florida father searches for answers after his daughter dies suspiciously in Belgium.

After being attacked, a high school girl goes under hypnosis to try to identify her attacker.

The death of a mother of five tests a family's loyalty.

The case of Johnny Hincapie, whose murder conviction was overturned after 25 years.

The investigation into a murder starts with a widow and ends with a possible serial killer.