I think the literature disagrees with you. "The relationship [between single-parent families and crime] is so strong that controlling for family configuration erases the relationship between race and crime and between low income and crime."
http://www.theatlantic.com/past/issues/2000/05/sommers4.htm also
http://www.tandfonline.com/doi/abs/10.1080/00497878.2012.707...