rick sallinger of kcnc reports. >> do you remember what day you were arrested? >> yes. >> what day was that. >> july 20 2012. >> reporter: for 22 hours the doctor interviewed james holmes. >> whatever he suffered from it did not prevent him from forming the intent and knowing what he was doing and the consequences of what he was doing. % >> reporter: the subject of the mass shooting only came up briefly in the 50s interview when the psychiatrist asked about his emotions. >> what brings tears to your eyes sometimes? >> regrets. >> regrets. can you tell me a little more? >> usually it's before i go to sleep. >> reporter: dr. readed pressed a little shooter. >> regrets about? >> regrets about shooting. >> reporter: he was asked about about his parents visiting in jail. he said his mother broke down. >> how about you? did it bring tears to your eyes? >> no. >> james egan holmes, the question of legal sanity. >> yes. >> reporter: this is expected to go on for days. rick sallinger for cbs news centennial, colorado. >>> later today a muhammad cartoon drawing is planned

as rick sallinger reports -- >> do you remember the day you were arrested?ay was that? >> july 20th, 2012. >> reporter: for 22 hours, dr. william reid interviewed james holmes. concluding he suffered from a serious mental illness. but was sane. >> whatever he suffered from. it did not prevent him from -- from forming the intent and knowing what he was doing and the consequences of what he was doing. >> reporter: the subject of the mass shooting only came up briefly in this first interview when the psychiatrist asked about emotion. >> what brings tears to your eyes sometimes? >> just regrets. regrets. >> can you tell me a little more? >> oh. usually it's before i go to sleep. >> reporter: dr. reid then pressed a little further. >> regrets about -- >> about the smooting. >> reporter: hold was asked about his parents visiting him in jail. he said his mother broke down. >> how about you? did you get a tear in your eye? >> nope. >> reporter: the interviews are only part of what led the psychiatrist to his finding. >> the defendant james egan holmes met the defini