 The Hennepin County Medical Examiner's Office says Jackson Forrester died in the hospital March 22nd of complications due to blunt force head trauma. Prosecutors say 39-year-old Mark Forrester is accused of shaking then eight-week-old Jackson on January 31st before the boy's mother brought him to the hospital. The criminal complaint says Mark Forrester admitted he may have done something to his son, but didn't remember because he had been drinking.