Definition of "crimefighter"

Selling the wistfulness is Kristin Kreuk as Chun-Li, a tranquil concert pianist turned reluctant crimefighter when her adored father is abducted by a Bangkok baddie (Neal McDonough).

2009 February 28, Jeannette Catsoulis, “Looking for Her Father, Finding New Targets for Her Feet”, in New York Times‎