High Quality Content by WIKIPEDIA articles! He was investigated for corruption by the Corrupt Practices Investigation Bureau for accepting two bribes of $500,000 each in 1981 and 1982. In November 1986, the prime minister of Singapore approved an open investigation on his alleged corruption, however, the papers were issued to the Attorney-General on December 11. Though he maintained his innocence, he committed suicide before being charged for the offences, on December 14. In his suicide note, Teh wrote