Cleaner

Cleaner is a movie starring Samuel L. Jackson, Ed Harris, and Eva Mendes. A former cop who now earns a wage as a crime scene cleaner unknowingly participates in a cover-up at his latest job.
Single father and former cop Tom Cutler has an unusual occupation: he cleans up death scenes. But when he's called in to sterilize a wealthy suburban residence after a brutal shooting, Cutler is shocked to learn he may have unknowingly erased crucial evidence, entangling himself in a dirty criminal cover-up.