Hollywood superstar Tom Cruise had a custom-built luxury bus made for him using Scientology “slave labor,” according to the church’s former Inspector General, Mark Rathbun, who also claims to have top-secret internal e-mails proving so.

According to one email Rathbun says was written by Yvonne Gonzalves, the Director of Vehicles of the Sea Org branch, the super-secret organization within the Church which was responsible for building the trailer-style bus, staffers put in nearly 9,000 man hours into production of the vehicle.

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Two shifts worked steadily for a total of 17 hour each day, she wrote in the email.