Adrian Lamo, a computer hacker best known for passing on information that led to the arrest of Chelsea Manning, has died aged 37.
In online messaging conversations, Manning confided in him, describing confidential military material Manning had sent to Wikileaks.
Wikileaks published the video of a US helicopter strike that killed seven people, including a journalist working for the Reuters.
The cause of Lamo’s death has not yet been made public.
Lamo’s hacking targets included Microsoft and the New York Times.
