Roach, 27, is accused of robbing the Holland Village branch of Standard Chartered Bank in Singapore on July 7 after handing the teller a note that said he had a weapon. He allegedly got away with S$30,000 (770,000 baht).
Authorities say that he flew from Singapore to Bangkok on the day of the robbery, but was detained by Thai police three days later. They revoked his right to stay in the country, and he has been held at the immigration detention centre in Bangkok since then