Two weeks before a bloody shooting rampage that killed 12 people at an Aurora, Colorado, movie theater, suspect James Holmesapparently visited the cinema and took photographs of hallways and doors, a police detective testified on Wednesday.

Holmes returned nine days before the massacre, Sgt. Matthew Fyles testified at the the conclusion of a preliminary court hearing, and took pictures of exterior doors.

The photographs were recovered from Holmes' cell phone and go along with months of sales records and descriptions of meticulously prepared booby traps at his home. It all helps illustrate what would appear to be a well-planned attack.

Read more: http://www.cnn.com/2013/01/09/justice/colorado-theater-shooting/index.html