In the weeks leading up to the shootings, Holmes also bought four guns.
Read more...Restricting access to firearms can prevent these tragedies.
Read more...MEDIA: More details have led to a demand for more gun control.
Read more...MEDIA: First-hand accounts via Twitter.
Read more...The suspected gunman told authorities he had explosives in his apartment.
Read more...At least 12 people are dead and dozens more injured.
Read more...