However, a special prosecutor assigned to the case brought charges against 650 people, which did not result in convictions. (politics.stackexchange.com)
The standard for initially bringing a charge against a person is probable cause - basically it has to be reasonably likely that the person could have committed the offense. (rocketlawyer.com)
Meanwhile, US Attorney Preet Bharara, who brought the charges against Cuomo's former top aide and other associates, confirms, after a meeting with President elect Donald Trump, that he will be keeping his job when the new administration takes over in January. (wxxinews.org)