Investigation Discovery HD

Complaints about dogs running loose lead to the construction of a fence between two long-time neighbors, but the problem isn't solved and flaring tempers lead to fist fights, stabbings, and ultimately a shocking shootout captured on video.

Bitter accusations unleash after single mom Kelli Underwood moves in with her best friend from high school; Kelli's daughter finds her dead, and investigators begin to uncover secrets and betrayals among the women of a small Texas town.

Wayne High volleyball star Stacy DeGrandchamp is pretty and popular until jealousy and rumors lead to a rift in her circle of friends; when a fight at a party turns deadly, witnesses won't talk, and her killer almost gets away with murder.

Three respected members of a tight-knit community of award-winning Christmas tree farmers are brutally gunned down; terrified locals fear that a cold-blooded killer has been living among them for years.

A spring break adventure turns deadly when a college student infiltrates a community of train hoppers.

When one of their own is found tortured and killed, a tight circle of Chicago doctors wonder if the killer came from within.

Police find three people killed execution-style in the cooler of a Louisiana convenience store; a man gives a series of conflicting confessions leaving everyone to wonder what really happened.

Three people are killed execution-style in a Louisiana convenience store.

On Nov. 17, 1990, two deer hunters are found shot dead in the woods of Michigan; eleven years later, cold case detectives arrest Jeff Titus on suspicion of murder, but the original detectives on the case believe Titus is innocent.

On Nov. 17, 1990, two deer hunters are found shot dead in the woods of Michigan; eleven years later, cold case detectives arrest Jeff Titus on suspicion of murder, but the original detectives on the case believe Titus is innocent.

Bob Peterson invites himself over to his co-workers Gene and Jaye-Jaye Thurnau's new home to give them a housewarming present; later, Jaye-Jaye leaves the guys alone to run an errand, during which time they vanish.

Caroline Nosal, a 24-year-old grocery store worker, befriends co-worker Christopher O'Kroley, but she soon complains to store management about O'Kroley's behavior leading to a tragic outcome.

On a June morning, a cleaning lady finds property manager Melinda Schaefer stabbed to death in her ransacked office.

On Mother's Day, first-time mother Tennyson Jacobson fights off a violent intruder during her daughter's nap time.

College sophomore Gina Tenney discovers she has a stalker, then comes face to face with her tormentor and realizes she knows him.

After becoming involved with controversial lawyer Catherine Mehaffey, Gary Taylor realizes he's made a grave mistake and won't be able to break things off without calamitous repercussions.

After leaving a violent ex-husband and firing a problem employee, Cathy Whitehead builds a new life with the man of her dreams, then a stranger shows up on her doorstep one night, and she's soon drawn into the web of a familiar foe.

Craig Lester Thrift brags about getting away with murder, but everyone thinks he is kidding; Robyn Barry knows Thrift better than anyone, and she begins to suspect he isn't joking; someone needs to believe her before Thrift makes her his next victim.

When a 15-year-old Florida girl runs away with her troubled boyfriend, someone brutally murders a 66-year-old disabled man miles away in his home; upon their apprehension, police discover the young couple are, in fact, thrill-seeking murderers.

After a mother of three mysteriously vanishes following a night out on the town, investigators uncover a sexual psychopath's nightmarish desires; days later, they discover her body in her own septic tank, revealing how callous the murderer is.

A Nebraska teen vanishes after school, and her disappearance haunts a small town for decades. Investigators revisit overlooked clues and pursue new leads in a case that continues to raise questions. Natalie Morales reports.

An early morning fire inside an apartment complex soon reveals something worse, the dead bodies of a young woman and an infant boy; detectives find a psychopath who appears polite and gentle, then later as a pawn of imagined demons.

Police first arrest a man for discharging a firearm and soon discover dead bodies inside his apartment; detectives try to make sense of the bloody crime scene and a psychopath willing to murder those closest to him.

When a 15-year-old Florida girl runs away with her troubled boyfriend, someone brutally murders a 66-year-old disabled man miles away in his home; upon their apprehension, police discover the young couple are, in fact, thrill-seeking murderers.

After a mother of three mysteriously vanishes following a night out on the town, investigators uncover a sexual psychopath's nightmarish desires; days later, they discover her body in her own septic tank, revealing how callous the murderer is.