Florida Teenager in Massive Twitter Hack Case Pleads Not Guilty

A 17-year-old recent Florida high school graduate pleaded not guilty to charges that he hacked more than 100 high-profile Twitter accounts as part of a cryptocurrency scam by duping the social media company’s employees.

Graham Ivan Clark was charged last week with posting messages on behalf of notable businesspeople, celebrities and politicians, including former president Barack Obama, Amazon.com Inc. Chief Executive Officer Jeff Bezos and Tesla Inc. CEO Elon Musk, and luring additional victims into sending him Bitcoin donations of more than $100,000. Two others were charged with helping Clark by serving as brokers on the sale of ...