n. A person who is skilled in, or practices criminology
The Century Dictionary and Cyclopedia
n. One who studies crimes with reference to their origin, propagation, prevention, punishment, etc.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a specialist in criminology
Word Usage
"He returned to the library, where he lost himself in the rare old volumes of Grimsby's life collection: the criminologist was a booklover and the hours drifted by as in a happy playtime, until the butler came to tell him the time."