Law enforcement sources tell TMZ the singer hanged himself at a private residence in Palos Verdes Estates in L.A. County. His body was discovered Thursday just before 9 AM.
Chester was married with 6 children from 2 wives.
The singer struggled with drugs and alcohol for years. He had said in the past he had considered committing suicide because he had been abused as a child by an older male.
Chester was very close with Chris Cornell, who himself committed suicide by hanging in May.
The band has had a string of hits over the years, including "Faint," "In the End" and "Crawling." Linkin Park crossed music genres, collaborating with Jay-Z
The band's album, "Meteroa," was one of the biggest alternative albums in music history.
Bennington was 41.
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