Investigation Discovery HD (Pacific) The leading advocate for the science of cold fusion is beaten to death and investigators theorize about a wide range of suspects, from corporate executives to burglars. 2026-08-10 After a night out, a beautiful young woman ends up in a shallow grave, and her killer evades police for decades. 2026-08-10 A farmhand in Rapelje, Mont., finds her co-worker murdered; as authorities look for the murderer, all the employees on the pig farm become suspects. 2026-08-10 Foul play is suspected when Irene Trujillo, a rock quarry owner, suddenly goes missing; Irene's body is found in the quarry and her employees become suspects. 2026-08-10 When a local resident of Dunlap, Tenn., is picking up cans, he makes the shocking discovery of a murder; authorities piece together the crime. 2026-08-10 Baseball-loving wife and mother Diane Fortenberr is found unconscious on the floor of her burglarized home; hours later, Diane succumbs to her injuries at the hospital, and the entire resort town of Osakis, Minn., aids law enforcement. 2026-08-11