J.C. Barnes, Kevin M. Beaver, Joshua S. May, Joseph A. Schwartz Criminal Justice and Behavior http://cjb.sagepub.com/content/38/9/896.short 2011 Date Sat, 06/14/2014 - 04:54 PM Research Types ADD Health Gene X Environment Interaction Genetic Influence Kevin M. Beaver Kinship Pairs Parental Negativity Psychopathy