Posted 22.07.2012 10:11:38 UTC
Updated 23.07.2012 08:50:48 UTC
Obama visited the 23 people under treatment at Colorade University Hospital and said the whole American nation and part of the world thought about them and reflected on what had happened.
The suspect of the killing spree is under examination and his flat which he turned into a booby trap is being disarmed to expand the investigation.