Mary Muscari, a criminology professor at Regis University in Denver who studies mass killings, said she was not surprised Holmes was studying neuroscience and mental disorders.
"It could be he was interested in that because he knows there's something different in him," she said.
This is on the 2nd page of this article, he worked in a summer camp for underprivileged children in 2008 too.
http://www.sfgate.com/news/article/...sadness-a-search-for-clues-3724591.php#page-2