B y Tuesday, February 7, a posse was being formed to catch me. Assistant U.S. Attorney Kent Walker now stepped into the case, meeting with Shimmy and his girlfriend Julia Menapace, Shimmy’s assistant Andrew Gross, two FBI agents, and the Well’s vice president and system administrator, as well as its attorney, John Mendez, who had some special clout in the room since he had previously been with the U.S. Attorney’s Office and had been Walker’s boss.