The Killer Beside Me

Theresa Wesolowski, 22, is found dead alongside her car near the Wisconsin factory where she worked on May 29, 1999. Police are baffled for nearly 10 years before finally getting a break when a new DNA technique identifies her killer.

Massachusetts waitress Sandy Berfield is killed instantly when she opens a package bomb left on her porch. Detectives uncover evidence of years of harassment and a rejected coworker's deadly plan for revenge.

Gayle Isleib is brutally gunned down in her driveway after coming from work at a local department store. Police uncover a twisted tale of infatuation, stalking, and a kidnapping plot gone awry.

In 1995, Robert Henry, an exec in Tacoma, WA, was murdered by a masked gunman. His wife tells police she thought he was killed by a former business associate. Det. Yerbury investigated and pieced together the evidence that convicted the killer.

Texas florist Leesa Nascimento is found floating in a lake with a gunshot wound to the head on July 6, 2010. Police uncover crucial evidence that suggests a recently fired employee may be responsible for the killing.

Alice Hufnagle is found raped and strangled in her Pennsylvania home on Nov. 22, 2002. After numerous leads and several dead-ends, police find the vital clues that lead them to question her coworker at a local pharmacy.