Taxi driver who attacked Brazilian model already double rapist   Picture: Sanook   BANGKOK: -- The taxi driver who raped a young Brazilian model after picking her up from Don Muang airport on Tuesday had just come out of prison for rape.   Khamkhoon Charoen, 44, had served two jail terms after separate convictions in 2008 and 2013.   But he was still allowed to rent a taxi and pick up passengers.   The 23 year old Brazilian victim, a model,