Authorities say “fire starting materials” were found in the minivan which police processed as evidence.
“I feel very good that we’ve got the right guy,” Los Angeles police Chief Charlie Beck said.”(The suspect) had the right stuff in his van, and we are very confident we found our man.”
http://losangeles.cbslocal.com/2012/01/02/person-of-interest-detained-in-connection-to-rash-of-arsons/