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By Joe Tidy & Antoinette Radford
BBC News
A British national extradited to the US last month has pleaded guilty in New York to a role in one of the biggest hacks in social media history.
The July 2020 Twitter hack affected over 130 accounts including those of Barack Obama and Joe Biden.
Joseph James O'Connor, 23, known as PlugwalkJoe, pleaded guilty to hacking charges carrying a total maximum sentence of over 70 years in prison.
The US justice department said he had also used technology to stalk a minor.