Whose job is it to review an athlete’s or entertainer’s contract for legitimacy?

Science always prove or disprove their explanations by

What are the main ingredients in yeast breads and what are their functions?

Criminology combines the theories and insights of a number of different disciplines as well as adding its own insight about crime and criminals. do you think this interdisciplinary approach is positive or negative for understanding crime? what benefits or disadvantages might it have for the field? what other discipline do you think has the most to offer for the understanding of crime and criminals?