Complex sentence: He then dragged her body out of the kitchen and into her bedroom, and when his grandfather, 72-year-old Edmund Emil Kemper, came home from grocery shopping, Kemper went outside and fatally shot him in the driveway.
Split into simpler sentences: He then dragged her body out of the kitchen and into her bedroom. When Kemper's grandfather, Edmund Emil Kemper, came home from grocery shopping, Kemper went outside and fatally shot him in the driveway.