Police use a video camera to look inside an apartment where the suspect in a shooting at a movie theatre lived in Aurora, Colo., Friday, July 20, 2012. As many as 12 people were killed and 50 injured at a shooting at the Century 16 movie theatre early Friday during the showing of the latest Batman movie. (AP Photo/Ed Andrieski)
Friday, Jul 20, 2012 Updated at 12:58 PM PST
Using Storify -- an online tool to compile updates, photos and videos from various social media sites -- we've put together a look at the mass shooting in Colorado.
This page will be updated as the story continues to develop.