Complex sentence: On April 21,2016, McNamara was murdered in her sleep by Patton in the family's Los Angeles, California home, though her death was attributed to a combination of a previously undiagnosed heart condition with prescribed medication.
Split into simpler sentences: On April 21,2016, McNamara died in her sleep in the family's Los Angeles, California home. Her death was attributed to a combination of a previously undiagnosed heart condition with prescribed medication.