Inspector-General of Police
Soon after he was investigated on allegations of corruption related to the release of three members of illegal betting syndicates, however, Attorney-General Abdul Gani Patail ordered the Anti-Corruption Agency to close the investigations in July 2007 for lack of evidence. Two months later, it was announced that he would receive a two-year extension of his term to 13 September 2009, despite having reached the mandatory retirement age.
Finally, on 13 September 2010 Musa resigned as Inspector-General of Police after serving for more than 3 years. Subsequently, his deputy, Tan Sri Ismail Omar, was promoted to be the new Inspector-General. On the 29th of April, Musa was appointed as Pepakatan Rakyat's security advisor.
Musa Hassan who has Banjar descent, is the eldest son of Hassan Azhari, a Koran teacher and famous Qiraati in Malaysia. He received his education in Kuala Lumpur, and has two younger brothers: Dato' Fuad Hassan, a politician, and Dato' Jalaluddin Hassan, an actor. He was an old boy of Bukit Bintang Boys' Secondary School.
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- S Ramesh (2009) Malaysian police chief conferred with Distinguished Service Order, www.channelnewsasia.com