Answer:
According to Criminology's studies and criminal behavior theories, political criminals are generally not motivated by greed or need but by a cause or ideology.
In Criminology, the crimes by themselves are not what classifies and tell apart political criminals but their motivations.
The Criminology theory helping to understand political offenders in such way is known as "The Differential Association Theory", contrived and promoted by American sociologist Edwin Sutherland, stating that the values, techniques and the motivation for criminal behavior are learned through the interaction with other individuals.