Summary: The article deals with the psychological and biological factors which have influence on person in the commission of violence crime. The author refers to them such personality traits as aggression, violence, anxiety and mental abnormalities. A person with such negative biological and psychological characteristics will be inclined to commit violent crime, only if the social environment will contribute to this manifestation.

Key words: person, the offender, aggression, aggression behavior, violence, anxiety, mental abnormalities, social sphere, psychological factors.