All psychodynamic explaination originate from the work of Sigmund Freud. Over the years researchers have attempted to apply some of his key concepts to offening.
Two psychodynamic explainations for crime;
Ronald Blackburn's idea of the inadequate superego
John Bowlby's maternal deprivation theory
Both psychodynamic explainations stick to the Freudian principle that the roots of behaviour are formed in childhood.