7-year-old Kayden Mancuso’s family is in agony after the little girl was killed by her father in a murder-suicide in Manayunk on Monday. The family says the girl's mother had a restraining order against the father, and that she fought for years to have sole custody of their daughter because of his history of violence. They say the court system failed them, and now their precious little girl is gone. Story: https://6abc.cm/2M72VHs