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

Chris Watts Gets 5 Life Sentences for Killing Pregnant Wife and Children

Chris Watts' Mistress Says He Told Her He Was Getting Divorced: 'He's a Liar'

Grandmas Accused of Trying to Cover Up Family's Role in Massacre of Rival Clan

Pregnant Woman Shot in Stomach With Crossbow Dies, Baby Struggles to Survive

Woman's Death Aboard Princess Cruises Ship May Be Murder: Reports

Should a 10-Year-Old Be Held Responsible for Murder? Recent Case Shows Legal Conundrum

Parents of Chris Watts Say His Slain Wife Was More Capable of Killing Couple's Daughters