Although his illegally obtained assets were partially seized by the authorities, legal obstacles prevented his extradition from Taiwan and later Canada, which allowed him to ultimately escape prosecution.

While working in the Criminal Investigation Department, he was promoted by Senior Detective Chan Lap, and then CPL, Police Corporal by 1951.

Because of Lui's experience in dealing with the triads, he was arranged in an important position by the administration of the police force.

[2] In 1958, Lui was transferred to Yau Ma Tei to replace the retired DS/SGT II Lau Fuk.

In 1963, Lui was appointed by Hong Kong Governor Sir Robert Black to a blue ribbon commission to study police reform.

[4][5] His funeral was attended by 80 family members and friends at Forest Lawn Memorial Park in Burnaby, where he was buried.