What does "crimebuster" mean?

A person, especially a law enforcement officer, who is particularly effective in thwarting criminal activity and in bringing criminals to justice.

Crimebuster

noun, slang

noun, slang ·Uncommon ·College level

Noun

1
A person, especially a law enforcement officer, who is particularly effective in thwarting criminal activity and in bringing criminals to justice. US, informal
"This corporation law background is less known than his record as a crime-buster."

"This corporation law background is less known than his record as a crime-buster."

Etymology tree English crime English buster English crimebuster From crime + buster.