New research finds a link between disbelief and unethical behavior is strongly lodged in Americans' minds.
MORE: http://www.psmag.com/navigation/health-and-behavior/americans-intuitively-judge-atheists-immoral-79095/
See also...
Everything Is Permitted? People Intuitively Judge Immorality as Representative of Atheists
http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0092302