TV Guide for Now Friday 9 in Investigation Discovery

A father sees the warning signs, but nothing prepares him for the horror to come when his son brutally murders his own five children.

A California home invasion leaves a family shattered and detectives scrambling for answers. Years later, investigators expose a deadly plot.

A dream move to Fort Worth, Texas, for a pair of new parents ends in a bloody nightmare when a twisted mind plans to commit the most terrible evil.

When tea for two becomes a murder of one, investigators from all across New York City must set aside prejudice and find justice for a few brave women.

When the young wife of a Naval Lieutenant is found beaten by the side of the road in Honolulu in 1931, the repercussions lead to murder and a sensational trial.

When Gayle Isleib is shot dead in 1996, police identify a co-worker. Evidence is found of stalking, plans to kidnap her, murder her husband and love poems to Gayle.

When Alice Hufnagle is raped and murdered in 2002, police initially question her estranged husband. But, clues eventually lead to her colleague at a local pharmacy.