that they would have taken along somebody, you know for basically, that would have been baggage to them. reporter: abc news learning sweat and matt planned for months, exploring the underground pipes they used to escape, even leaving themselves notes with directions in those tunnels. and now, matt s prison artwork, pictures of celebrities like julia roberts, now part of the case. investigators desperate for any clues about how they could escape undetected. 800 officers have been scouring this whole area for 11 days now. we re learning authorities may be scaling back that search, fearing the killers could be long gone. gio benitez, abc news west plattsburgh, new york. disturbing new details from the colorado theater shooting trial. the psychiatrist said james holmes had homicidal thoughts three to four times a day. dr. lynne fenton said she was concerned that holmes was shifting into a schizophrenic state. she described holmes as a shy, anxious, bizarre, and at times sad individual.