Edit (1pm) - We have received an official statement from AMC Entertainment (AMC Theatres):

We are terribly saddened by the random act of violence in Aurora and our thoughts are with the victims and their families. For the safety and security of our guests and associates, we are actively working with local law enforcement in communities throughout the nation and under the circumstances we are reaching out to all of our theatres to review our safety and security procedures. Being a safe place in the community for all our guests is a top priority at AMC and we take that responsibility very seriously.

Edit (12pm) - Police have confirmed that the suspect's apartment is boobie trapped with several different chemicals and explosives. They have evacuated many surrounding buildings and have said that it will take them quite some time to clear the area and diffuse the situation.

A gunman, armed with not only guns, but teargas, turned what was supposed to be an enjoyable night at the movies into a nightmare. Early Friday morning, the man tossed tear gas into the theater in Auroroa, Colorado and then let loose with a spray of bullets, killing 12 people and injuring 50. Among those injured was a 3-month-old.

Police arrested a man that they believe to be the shooter, twenty-four year old James Holmes of North Aurora.

Many witnesses have reported that the shooter was wearing a gas mask during the attack, and that he seemed to "appear from no where". It's also being reported that the shooter used at least four guns, and that his apartment building has been evacuated for fears that he may have had explosives in his unit.