Adrian Lamo, hacker who turned in Chelsea Manning, dies aged 37

• Lamo testified about Manning's release of documents to WikiLeaks
• Cause of death was not immediately known

Adrian Lamo, the computer hacker who turned in whistleblower Chelsea Manning to law enforcement, has died at the age of 37, according to authorities in Kansas.

Lamo, who testified about Manning's release of documents to WikiLeaks, was confirmed dead on Friday by authorities in Sedgwick County. The coroner's office has not responded to inquiries about the cause of his death.