The woman told investigators Myhre had punched her several times in the back of her head and fractured her skull inside their home in Collegeville, according to police. The woman said she drove herself to the hospital after Myhre fell asleep. Myhre was arrested and charged with assault. Top News: Pope Francis to Canonize Children at Fatima Shrine As police continued to investigate, they determined Myhre had also physically abused his 11-year-old daughter and 13-year-old son, whom he home schooled over a six-year period, according to a criminal complaint. During an interview with police, Myhre's daughter described the various ways her father abused her over the years, investigators said. Myhre allegedly beat and abused her with several objects, including a lancet that he stuck underneath her fingernails and toenails, a remote controlled electric dog shock collar, needles, various sticks, PVC pipes, a wooden dowel, pliers and a shoehorn. He also allegedly punched her hundreds of times, placed his knees and feet on her stomach and strangled her and banged her head on the floor until she lost consciousness. Search for Barracks Ambush Suspect a 'Needle in a Haystack' Myhre's son also told police his father had abused him hundreds of times since he was 5 years old, according to the criminal complaint. As with his sister, the abuse included being punched and kicked, being choked, being beaten with sticks and PVC pipes and being shocked with a dog collar, police said. Both children also told police they had seen their father repeatedly abuse their mother, according to investigators. Investigators also say they obtained a cell phone recording of Myhre beating his children as they screamed in pain and begged for him to stop.