The homicide rate increased 129.6% in 2013 from 2012 though this was due to the inclusion of 39 deaths from the Lamma Island ferry collision.
Common triad-related offenses include extortion, illegal gambling, drug trafficking, and racketeering.
[4] One of the world's largest triads, Sun Yee On, was founded in Hong Kong in 1919 and is reported to have 55,000 members worldwide.
[5] Sun Yee On's rival organisation, 14K Triad, was formed in Guangzhou, Guangdong, China in 1945, and relocated to Hong Kong in 1949.
[6] Hong Kong is a known transit city for human trafficking; victims are often coerced into forced labour or sexual exploitation.
[24][25] Victims are often forced to commit cyber scams, and are at risk of violent retaliation from their traffickers if they fail to perform.