Says pretty much every psychiatrist:
http://jaapl.org/content/30/2/257.full.pdf
http://www.pet-abuse.com/pages/abuse_connection.php
http://suite101.com/article/psychology-of-people-hurting-animals-a125937
http://www.disabled-world.com/disability/types/psychological/adp.php
Says pretty much every psychiatrist:
http://jaapl.org/content/30/2/257.full.pdf
http://www.pet-abuse.com/pages/abuse_connection.php
http://suite101.com/article/psychology-of-people-hurting-animals-a125937
http://www.disabled-world.com/disability/types/psychological/adp.php