BIBLIOGRAPHY.

http://www.biography.com/people/jeffrey-dahmer-9264755http://www.biography.com/imported/images/Biograp
hy/Images/Profiles/D/Jeffrey-Dahmer-9264755-1-402.jpg
http://img3.wikia.nocookie.net/__cb20140125022235/criminalminds/images/1/1f/Jeffrey_Dahmer.jpg
Google.com
http://www.criminal-psychology.net/site/jeffrey-dahmer/