'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