[1] When the Principal Officials Accountability System was introduced in 2002, Chief Executive of Hong Kong Tung Chee-wah appointed Ho Secretary for Home Affairs, a senior ministerial post.

[3] In 2002, he joined the Chief Executive of Hong Kong Tung Chee-wah's second HKSAR administration as the Secretary for Home Affairs when the Principal Officials Accountability System was introduced.

[4] In 2003, Ho was present at the Che Kung Temple in Sha Tin following tradition and drew Kau Chim sticks to foretell the fortune of Hong Kong.

Hong Kong experienced a fatal SARS outbreak and an attempted imposition of Basic Law Article 23, which led to massive protests at the 1 July march.

[10] On 5 December 2018, Ho was convicted on seven counts of bribery and money laundering, following a federal trial in which Gadio stood as a witness for prosecutors.

[13] After being imprisoned at the Metropolitan Correctional Center, New York, as of 9 June 2020, the South China Morning Post reported that Ho has been released and deported to Hong Kong.

[14][15] In 2023, Ho was identified in a US federal criminal indictment of Gal Luft in a Chinese government attempt to influence the 2016 United States elections.