The man is no coward, coming back was a high risk game despite deals and friends in high places; just one little cog in the machine has to stop turning and he is stuck in prison, which considering his past life style is far worse for him than an average Thai. He is a politician and businessman, a mover and shaker, not the worst of the bunch in government house but certainly no angel but then what do you expect, the company he kept on his way up are all money grabbing power hungry narcissists, laws don't apply to them, he was a policeman who became the most powerful politician in the land, feted like a king, imagine what that would do to your character.