After a career spanning 40 years with Polis DiRaja Malaysia, Musa Hassan lead the force as the Inspector-General of Police from 2006 to 2010. In 2005, a Royal Commission on the force was constituted which had as one of its central assumptions the acknowledgement that force is "generally viewed as inefficient, uncaring, unable to prevent or check crime, [that] infringements of human rights are extensive and PDRM is not seen as being transparent or accountable to the public”. Now in retirement he continues to promote issues concerning crime and security.