'Security Defects' Allowed Serial Killer to Get Into Dallas Senior Home, Victims' Daughters Allege in Lawsuit

Utah Woman Was Kidnapped and Killed Because She 'Knew Too Much,' Police Say

What Happened to Nichol Olsen and Her 2 Daughters? Mystery Surrounds Texas Case Deemed Double Murder-Suicide

Oklahoma Man Confesses to Gruesome Killing and Cannibalizing of Neighbor After Killing 2 Relatives, Police Say

Louisiana Couple Goes Missing After Valentines Day, Roommate Allegedly Confesses to Killing

As '48 Hours' Examines Roy Den Hollander, Judge Whose Son He Killed Says He Also Had Sites on Sonia Sotomayor

1st Anniversary of Evelyn Boswell's Amber Alert Marks Long Search for Justice in the Baby's Killing

Alexus Braxton, Transgender Miami Woman Killed in 'Violent and Vicious' Attack, Was 6th Victim of 2021

Does Michelle Troconis Know Anything About the Disappearance of Jennifer Dulos? Interrogation Footage Released

Colorado Animal Rights Attorney Arrested for Allegedly Hiring Hitman in Murder-for-Hire Plot

Idaho Man Pleads Guilty to 1996 Rape and Murder of Angie Dodge Decades After Innocent Man's Conviction

Man Murders Couple And Then Kills Himself in Argument Over Snow Shoveling

The Killing of Gayle Barrus: How Mom of 3's Son Played Part in Police Solving the 1988 Cold Case Slaying

70-Year-Old Tennessee Man Wanted in Killings of 2 Hunters Found Dead in Swamp

Who Is the 'Sleepwalking Killer' Scott Falater? Man Who Killed Wife Still Says He Has No Memory of Slaying

What to Know About the Murder of Christie Wilson and Conviction of Mario Garcia

Victims in 1976 Cold Case Identified as Investigation Resume

2 Years After Texas Woman Was Shot Dead Setting Up Garage Sale, New Video Released in Hopes of Finding Killer

Instagram Influencer Alexis Sharkey Was Strangled to Death, Coroner Says

What Happened to Jackie Vandagriff? '48 Hours' Dives Into the College Student's Murder and a Killer's Mind

White Man Who Stabbed Black College Student to Death Sentenced to Life in Prison