Cornell wrote Soundgarden's most iconic song in 15 minutes, but was nervous the band wouldn't like it. Officer Jennifer Moreno, who is leading the case, said the singer's body was found inside his hotel room at the MGM Grand shortly after a friend of the family went to check in on Cornell. Emergency medical personnel arrived, and Cornell was pronounced dead at the scene, he said.
"A family friend went to go check on him and observed him on the bathroom floor".More news: Rivals are neighbors in Preakness
The singer helped form the band Temple of the Dog in 1990 with members of Pearl Jam in tribute to late frontman of Mother Love Bone Andrew Wood.
A spokesperson for the Detroit Police Department wouldn't identify the victim, but told ABC News the victim's wife called a family friend to check on the victim.
In 2001, Cornell joined Audioslave and the band released three albums - disbanding in 2007.More news: US, Turkey spar over Erdogan visit violence, Kurdish support
Cornell released five solo albums during and after his time with Soundgarden, starting with the 1999 LP "Euphoria Morning".
Follow rocker Billy Idol said: "Sad 2 hear of Chris Cornell passing.great singer and artist. another blow..."
Chris Cornell, lead singer of Soundgarden and Audioslave, has died in what is believed to be a suicide.
Cornell leaves behind his wife Vicky and their two children, daughter Toni, 12, and son Christopher Nicholas, 11, and his daughter from a previous marriage, Lillian Jean, 16. As well as performing as the lead for Soundgarden and AudioSlave, Cornell was also an accomplished solo musician.More news: John Terry says he could retire at the end of this season
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