The True Story of Diane Downs: How a Mother Shot Her 3 Kids for Her Lover

Dad Mourns Daughter Cops Say Was Killed by Best Friend in Catfish Scheme: 'I Want Them to ... Pay'

'Fatal Attraction Killer' Carolyn Warmus Paroled After 27 Years in Prison for Murder of Lover's Wife

How a Real-Life 'Phantom of the Opera' Murdered a Young Violinist at the Met in 1980

Did O.J. Simpson Get Away With the Murders of His Ex-Wife and Her Friend?

New Details Emerge in '20/20' Examination of Utah Mother Michele MacNeill's Murder

Sex Offender Arrested in 1986 Rape and Murder of 11-Year-Old Kathleen Flynn

Yovanny Jadiel Lopez, Baby Cut From Mother's Womb, Dies

911 Call Reveals Mom's Pleas to Daughter to Not Kill Her: 'No, Debbie'

Missing Mom's Husband Goes for a Jog, Shops at Grocery Store