Salvador Vaca Garcia tearfully appears on local news when his girlfriend disappears. John scrutinizes Vaca Garcia's story. Later, Callahan Walsh looks at Brian Keith Freeman who allegedly slits his fiancé's throat when their engagement falls apart.

John Walsh profiles John Blauvelt, a troubled U.S. Army vet who is accused of waging a lethal war against his young wife. Later, Callahan looks at Rudy Fernandez, whose teen romance with his high school sweetheart is believed to have turned deadly.

Star Washington Redskins safety Sean Taylor is shot dead by an intruder in his Miami home. And when it comes to the rich and famous, it seems like everybody has a motive...

After her daughter's relationship with single dad Scott Gellately goes sour, Merry Jackson vows to help Lori break free from his abuse. But when Scott refuses to back down, suddenly both Merry and Lori's lives are put on the line.

In 2006, Grace Minor's husband Mark shot both of their boys as they slept. 10-year-old Ryan died. 8-year-old Ross survived but was left blind. Now, Grace shares her raw moments of grief, while Ross shows us how he pulled through a dark depression.

In North Carolina, a retired Vietnam veteran sells off a piece of his land to a young family. No one can predict the modern day Hatfield McCoy neighbor feud that will ensue and the midnight shootout that will end it.

The Phillips’ family moves to a quiet seafront town in Maine to escape a crime wave in Indiana. But their dream home comes with a not so dreamy ex-military neighbor. A barrage of gunfire between the houses one night shatters both families forever.

What do you do when you fear for your life and the person at the end of the 911 line is the one you need protecting from? Two Altadena families are unlucky enough to find out when an LAPD cop moves in next door.

Two neighboring Omaha mothers turn from friends to foes in a vicious spat, which ends with both their homes burned to the ground. But could a woman really burn down a house with innocent children sleeping inside? A wiretap reveals the real arsonist.

In Miami, a young mother has no choice but to shut the door on her warring neighbors as a three-year feud over a patch of land and differing moral standards reaches a bloody and tragic conclusion.

An elite California Lakeside Community is rocked to its core when two well-to-do gentlemen go to war over an 18-inch property line discrepancy. One neighbor takes the dispute to new levels when he hires a hitman to permanently solve the problem.

The May 3, 2007 disappearance of four-year-old Madeleine McCann sparked one of the largest global missing persons investigations in history. The Missing Pieces looks at two of the McCanns' attempts to find their daughter using unorthodox methods.

What is it like to live in a town that outsiders have called "The Village of the Damned?" Since a series of horrific and bizarre events in the '90s, the people of Dryden have maintained a code of silence until now. Welcome to Dryden.

In 1989, in peaceful Dryden, New York, a Christmastime massacre claims an entire family. Just when it seems the horror has passed, terror visits Dryden again. With these events, a so-called "curse" will descend on Dryden for ten years.

When a young family vanishes without a trace, police collect a series of haunting clues that point to the US/Mexico border.

A popular Seattle punk rocker disappears amidst tensions between his bandmates and fiancée.