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Police link a filmmaker who is obsessed with the show "Dexter" with a man's disappearance.

Police link a filmmaker who is obsessed with the show "Dexter" with a man's disappearance.

Detectives take another look at a 20-year-old murder and discover the evidence points to one of their own.

A beauty queen's murder.

Through new interviews with insiders, take a look into Manson's world learn how a career-criminal convinced his followers to kill innocent victims and deliver him the fame he craved.

A successful businesswoman falls for a banker who may not be who he seems.

When Cara Ryan shoots her ex-husband and accuses him of threatening to kill her, police question her motive.

A man and his son are shot to death, tearing their family apart.

As Hurricane Charley ravages a small town in Florida, a man trying to avoid his past hides out in a hotel room.

A man and his son are shot to death, tearing their family apart.

As Hurricane Charley ravages a small town in Florida, a man trying to avoid his past hides out in a hotel room.

Two young teachers, one from New Zealand and the other from Indiana, fall in love on the eve of the 2011 earthquake and tsunami in Japan.

A man with a surprising motive shoots a father in broad daylight.

Through new interviews with insiders, take a look into Manson's world learn how a career-criminal convinced his followers to kill innocent victims and deliver him the fame he craved.

A successful businesswoman falls for a banker who may not be who he seems.

A man with a surprising motive shoots a father in broad daylight.

A teenager is convicted of encouraging her boyfriend to kill himself exclusive interviews with those on both sides of the case.

When hikers find a 21-year-old UCLA student's body in a Los Angeles-area train tunnel, detectives wonder if Ron's interest in an alternative religion is connected to his murder.

A dancer is murdered in her Virginia home after interviewing a series of suspects, detectives realize the case is much more complicated than previously thought.

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

A dancer is murdered in her Virginia home after interviewing a series of suspects, detectives realize the case is much more complicated than previously thought.