 Hanson was referred to the US Customs Office of Enforcement, where agents began an interrogation and discovered numerous inconsistencies in Hanson's story and paperwork he was travelling with.In Hanson's knapsack, the Customs agents found $14,000 of undeclared cash, several stolen or forged identification cards (including the California state driver license of Ellis Greene), and a Dade County library book "How To Create A New Identity".The Customs agents contacted the FBI in Columbus, and after confirming an outstanding arrest warrant, placed Hanson under arrest.