New evidence suggests that Gery Shalon, mastermind of the 2014 JPMorgan hack, built a massive new fraud empire in Europe while he was cooperating with the FBI (Bloomberg)

Bloomberg:
New evidence suggests that Gery Shalon, mastermind of the 2014 JPMorgan hack, built a massive new fraud empire in Europe while he was cooperating with the FBI  —  When Gery Shalon, mastermind of the infamous JPMorgan hack, flipped, US law enforcement considered it a triumph.