According to the San Diego Coroner's report, he committed suicide by hanging himself.
He was discovered by his twin brother William, who also starred as baby Oscar in the 1989 movie, in the apartment in Escondido, CA, reported E! online.
The coroner's report said, "The decedent was a single, 29-year-old Caucasian male who resided with his girlfriend in an apartment in the city of Escondido. On the evening of 06/14/17, he was found suspended by a ligature around his neck in his closet by his brother."
When the first responders arrived at the home, "his death was then confirmed without medical interventions due to signs of rigidity. He had a long history of depression," the report revealed.
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In his blog post, June 21, William confirmed his brother's passing. "It is with great sadness that I announce the passing of my twin brother, Hank. On Wednesday, June 14th, 2017, Henry John Deutschendorf II lost his battle with schizoaffective disorder," he wrote.
Hank, who is also the nephew of country singer John Denver, was diagnosed with the disorder in 2008.
He went on remembering his twin brother, "If you knew Hank before his diagnosis, you knew a young man who was upbeat, healthy, witty, kind, outgoing, and was always ready to stand up for people." He noted that Hank's medication had side effects that "took a toll" on his personality.
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