Hollis, who died at his Texas home, left Disney to help his ex-wife run her lifestyle empire.
The "Triangle of Sadness" star died suddenly in August. She was 32.
"This continues to be a very difficult and painful time as we grieve a beloved husband, brother, and friend," Dr. Céline Gounder said in a statement.
The Los Angeles medical examiner found that drugs in the actor's blood were inactive at the time of the crash that killed her.
The 16-year-old girl had disappeared Aug. 6 after leaving a party at a Sierra Nevada campground.
Mississippi has long operated in violation of national standards for death investigations.
An independent autopsy confirmed what the Latino father’s family had declared: Police in Alameda, California, killed him, not meth. No officers were charged.
The man's body was used as the centerpiece of a public autopsy event in front of a paying audience.
The 22-year-old lifestyle blogger was found dead near Grand Teton National Park on Sunday.
Franklin was on death row since 2016 for the deaths of nine women and a teenage girl in South Los Angeles. An autopsy will determine the 67-year-old's cause of death.