How ‘Tipper X’ went from banker to informant in one of Wall Street’s biggest insider trading stings

Source: New York Post

Tom Hardin should’ve known better. As “Tipper X,” a wired informant in the insider trading investigation the FBI called Operation Perfect Hedge, Hardin had specifically been told to “shut it down” if a target changed the plans for a meet. “Bad things can happen,” FBI agent David Makol told his cooperating witness.