He was sentenced to death for murder, nine years in jail for raping a girl under 15, five years in prison for stealing while on public tranport vehicles at night, one year for hiding a body and six months for drug abuse.
The gravest penalty of death prevails.
The court rejected Wanchai's claim for mercy because he had confessed in an act of repentance. The court said Wanchai confessed because he had no choice as the evidence against him was so strong. There were no grounds for commutation of sentence.