Sheriff: Comedian Robin Williams hanged himself

SAN RAFAEL, Calif -- Authorities detailed Robin Williams' final moments Tuesday, saying the actor and comedian hanged himself with a belt in his San Francisco Bay Area home.

Marin County Sheriff's Lt. Keith Boyd said Williams was last seen alive by his wife Sunday night when she went to bed. She woke up the next morning and left, thinking he was still asleep.

Shortly after that, Williams' personal assistant came to the Tiburon home and became concerned when Williams failed to respond to knocks at a door. The assistant found the 63-year-old actor dead in a bedroom and called police.

Boyd said all evidence indicates Williams, star of "Good Will Hunting," ''Mrs. Doubtfire," ''Good Morning, Vietnam" and dozens of other films, took his own life. But he said a final ruling will be made once toxicology reports and interviews with witnesses are complete.

The condition of the body indicated Williams had been dead for at least several hours, Boyd said. Williams also had superficial cuts on his wrist, and a pocketknife was found nearby.

Williams had been seeking treatment for depression, Boyd said. He would not say whether the actor left a suicide note.

"We still have people we want to speak with so there is some information we're going to withhold," Boyd said. "We're not discussing the note or a note at this point as the investigation is ongoing."

It was no secret that the Oscar-winning actor had suffered for years from periodic bouts of substance abuse and depression - he made reference to it himself in his comedy routines.

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Just last month, Williams announced he was returning to a 12-step treatment program.

When he sought treatment in 2006 after a relapse that followed 20 years of sobriety, he joked about falling off the wagon: "I went to rehab in wine country to keep my options open."

Likewise, when word spread about his struggles with drugs in the early 1980s, Williams responded with a joke that for a time became a catchphrase for his generation's recreational drug use: "Cocaine is God's way of telling you you are making too much money."

Word that he had killed himself left neighbors in Tiburon equally stunned and grief-stricken. Williams had lived in the quiet, waterfront neighborhood for eight years, according to neighbors.

Noreen Nieder said Williams was a friendly neighbor who always said hello and engaged in small talk. Nieder said she wasn't close to Williams and his family, but she still felt comfortable enough to approach him and ask him about his latest stint in drug and alcohol rehabilitation.

"He was very open about it," Nieder said. "He told me he was doing well."

Makeshift memorials of flowers and notes popped up around the country including on his star on the Hollywood Walk of Fame, his Tiburon home and outside the house where the '80s sitcom "Mork &Mindy" was set in Boulder, Colorado.

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