FBI searches Copperfield's warehouse

(CNN) -- FBI agents have raided a Las Vegas warehouse owned by illusionist David Copperfield, but just what led to the search is shrouded in mystery.

An FBI spokesman said agents were investigating a case based in Seattle when they entered the warehouse Wednesday night.

FBI Special Agent Robbie Burroughs said no other information could be made public on the probe.

Copperfield's attorney, David Chesnoff, said Friday, "We are in touch with the investigators, and are respecting the confidentiality of the investigation."

He added, "Unfortunately, false allegations are all too often made against famous individuals. But we are confident the investigation will conclude favorably."

According to Forbes magazine, Copperfield made $57 million in 2005. E-mail to a friend