Wife, Daughters of Paul Caneiro Remain by His Side Despite Allegations of Arson

Texts Show Chris and Shan'ann Watts' Failing Marriage Before Murders: 'I Don't Know Who He Is'

DNA Technology Links Career Criminal to 1969 Cold Case Rape and Killing of Harvard Student

Mystery Surrounds Family Massacre at New Jersey Mansion Set Aflame

Teacher's Body Found 3 Weeks After He Disappeared in Mexico: 'The Man Was Just So Loved'

A Look at Karina Vetrano's Murder, as Mistrial Is Declared 2 Years Later

Hung Jury in Trial of Chanel Lewis, Man Charged With Murdering Karina Vetrano

Girl, 6, Strangled 1-Year-Old Brother After Dad Left Them Alone in Car: Police

Today on Inside Edition: Dad of Baby Allegedly Killed by 10-Year-Old Girl Can't Forgive Her

Tracing a Tragedy: A Timeline of the Killings of Shan'ann Watts and Her Daughters