Magician David Copperfield has been linked to an FBI investigation, authorities confirmed Thursday. A Las Vegas warehouse operated by Copperfield was raided by 12 agents Wednesday night, TV station KLAS reports. A computer hard drive, digital camera system, and nearly $2 million in cash were seized, the station reports. "The only thing we're confirming right now is that there was some investigative activity in the Las Vegas area yesterday connected with a Seattle-area case, both of which are pending," said Robbie Burroughs, spokeswoman for the Seattle division of the FBI. Copperfield's attorney, David Chesnoff, told KLAS: "We understand there is...