` I 'm Wichien Klanprasert , Monday , is a prominent member of Dozens of Wichien 's richest families . Police Sgt . Major Vorayud Yoovidhaya was responding to a robbery when his bike was hit . Wealth does n't mean you can `` drive carelessly , '' one of his grieving sisters says . Vorayud claims he was suddenly cut off by the police motorcycle , the police say .
Wichien Klanprasert , Monday , is a prominent member of Dozens of Wichien 's richest families . Police Sgt . Major Vorayud Yoovidhaya was responding to a robbery when his bike was hit . Wealth does n't mean you can `` drive carelessly , '' one of his grieving sisters says . Vorayud claims he was suddenly cut off by the police motorcycle , the police say .