Police brought Wanchai Saengkhao, the 22-year-old suspect, to the re-enactment at Wang Pong train station in Pran Buri district of Prachuap Khiri Khan province.
It was done on a train car to cover the crime from the stage of the suspect turning off sleeper car lights while the train was passing Thap Sakae station in Prachuap Khiri Khan, to the stages of the man strangling the victim, closing her mouth with a pillow, hitting her stomach to make her unconscious, raping her, and throwing her clothing away and then her body out of the train while it was passing Wang Pong station.
The suspect then stole the victim's Apple iPad tablet computer and mobile iPhone for resale in Bangkok.
The suspect, a train cleaner, said he had taken three speed pills and drunk beer with friends before the rape.
It was reported that the suspect showed repentance and fear during the re-enactment as crowds of people arrived at Pran Buri police station.
The brutal rape prompted many people to demand the death penalty for him.
Col Winthai Suvaree, spokesman of the National Council for Peace and Order, said NCPO chief Gen Prayuth Chan-ocha ordered the Royal Thai Police to handle the case to its best ability.