Cause Of Death Determined For Rob And Michele Reiner

LOS ANGELES, CA — The Medical Examiner's Office on Wednesday released its initial findings in the deaths of Rob Reiner And Michele Singer Reiner.

The Los Angeles County Medical Examiner's Office listed the primary cause of death for both as "multiple share force injuries," which is defined as "injury to soft tissue or bone caused by sharp-edged or pointed weapon or instrument" by one academic source.

The medical examiner determined their manner of death was homicide.

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The office said more investigation is needed before further details will be revealed, but the bodies can now be released to the family.

The couple were found dead in their Brentwood home Sunday afternoon, according to police.

Hours later, their son — Nick Reiner, 32, was arrested in connection to their killing.

• Related: 'Unimaginable Pain': Rob Reiner's Daughter Speaks Out After Finding His Body

Prosecutors are accusing Reiner of fatally stabbing his parents. He has been charged with two counts of first degree murder with the special circumstance of multiple murders, as well as an additional special allegation that Reiner used a dangerous and deadly weapon in the crimes: a knife, according to the Los Angeles County District Attorney's Office.

Reiner made his first court appearance Wednesday. His arraignment was postponed until January at his lawyer's request.

The Associated Press contributed to this report.