Criminologists help solve crimes. Criminologists looks at how external factors, such as education and poverty, contribute to criminal behavior. Criminologists may look at causes of juvenile delinquency. A forensic criminologist may be responsible for collecting fingerprints at a crime scene.A criminologist might help investigate a crime scene.0 most extreme places on Earth. A criminologist studies and analyzes human behavior with the ultimate goal of helping to reduce crime. He or she studies crime, criminals and the effectiveness of the criminal justice system.