Filmmmaker Rob Reiner and his wife, Michele Singer Reiner, were found dead in their Los Angeles home on Dec. 14 from apparent stab wounds, a source told NBC News.

Rob Reiner and his wife Michele Singer Reiner died from "multiple sharp force injuries," per the Los Angeles Medical Examiner. Their son Nick Reiner has been charged with their murders.

In the hours after police discovered the bodies of Rob Reiner and Michele Singer Reiner inside their Brentwood, California, home, speculation was rife over what could have led someone to murder the beloved Hollywood director and his other half,

The causes of death for Rob Reiner and Michele Singer Reiner have been revealed. According to the medical examiner, the couple died from "multiple sharp force injuries," meaning cuts or stabs from a sharp object.

Security camera footage from a gas station convenience store in Los Angeles shows Nick Reiner buying a sports drink. About an hour later, Mr. Reiner is arrested across the street. Mr. Reiner was charged with first-degree murder in the stabbing deaths of his parents,

Nick Reiner, 32, appeared in court on Wednesday wearing suicide prevention vest after being charged with murdering parents Rob and Michele Reiner in Brentwood.