When a teenage track star sneaks out at night, she finds herself caught in a deadly love triangle; once her body is found in a field, the small town of Mansfield, Texas, becomes wrapped in a sensational tabloid tale of duty, honor and murder.

A torso found floating in Galveston Bay, Texas, leads to the arrest of billionaire Robert Durst. For the first time, Kelly Siegler gets attorneys from both the defense and prosecution to discuss the Texas Trial of the Century.