Police Chief: suspect’s apt is boobie-trapped with flammable or explosive items “very sophisticated” setup. #theatershooting

— TheDenverChannel.com (@DenverChannel) July 20, 2012

Update: More via Reuters.

EXPLOSIVES APPEAR “VERY SOPHISTICATED” AND POLICE COULD BE AT SCENE “FOR HOURS OR DAYS” — AURORA POLICE CHIEF bit.ly/MwBXBt

— Reuters Top News (@Reuters) July 20, 2012