Former Head of Singapore's Central Narcotics Bureau Ng Boon Gay

Former Head of Singapore's Central Narcotics Bureau Ng Boon Gay

Roslan Rahman/AFP/Getty Images

Former head of Singapore's Central Narcotics Bureau Ng Boon Gay, center, could have been jailed for as long as five years and fined as much as S$100,000 on each of the four corruption charges if convicted.