"...Polaris has the unpredictable psyche of the Joker"
...As a medical student, Neal Emerson develops a fanatical interest in magnets, despite the teasings of his classmates. Emerson is convinced exposure to magnetic fields will give him more energy.
["Colorado Shooting Suspect Was One Of A Handful Of Students Accepted To Neuroscience Ph.D. Program" http://www.businessinsider.com/james-holmes-phd-program-2012-7]
...He later holds crowd-drawing lectures on "Health via Magnetism." Due to his medical background and belief in magnetism, Emerson adopts the name "Doctor Polaris." He even designs a special costume and mask to wear for his public appearances.
[There is a video being widely circulated depicting the alleged shooting delivering a speech at "science camp"; cf. "James Eagen Holmes Shown In Science Camp Video When He Was 18, Discussing 'Temporal Illusions' (VIDEO)" http://www.huffingtonpost.com/2012/07/22/james-eagen-holmes-science-camp-video_n_1692991.html]
... Unfortunately, putting on the costume causes the evil persona of Doctor Polaris to take over...
["...covered in red paint and body armor" http://www.nydailynews.com/news/national/dark-knight-theater-shooter-james-holmes-face-capital-charges-court-appearance-aurora-colorado-article-1.1119988; SWAT outfit: "Armored and Dangerous: The scariest innovation in the Aurora mass shooting isn’t guns or ammo. It’s SWAT gear." http://www.slate.com/articles/health_and_science/human_nature/2012/07http://www.slate.com/articles/health_and_science/human_nature/2012/07/the_aurora_shooting_bulletproof_vests_swat_gear_and_body_armor_refute_the_nra_.html; and "Joker Costume, hair: http://www.gossipcop.com/james-holmes-joker-costume-shooting-movie-theater-shooter-aurora-colorado-killing-spree/]
...Doctor Polaris is remanded to police custody; during that time, his "good self" resurfaces. ...
[Alleged Colorado Shooter James Holmes Is Dazed in Court
...A reformed Emerson travelled to the Earth's magnetic North pole to study it. Emerson was at the point where the lines of magnetic force converge when an earthquake plunged him into a deep crevice. At the bottom of the crevice lay a glowing blue blob. The radiation from the blob altered Emerson's perceptions...Emerson created a mental duplicate of his evil alter ego...Once Green Lantern disintegrated the blob, the mental image of the evil Doctor Polaris faded away. ... Under unknown circumstances, the catatonic Polaris ends being held in Iraq, but he is rescued by Hatchet, Heat Wave and Sonar. The trio planned to carry him in the Aurora Borealis [a.k.a. the aurora polaris] to the magnetic North Pole for recharge... ...In 2001, Polaris emerges during the Joker's Last Laugh crisis attempting to take control of the magnetic south pole [aurora australis] itself...
[The Aurora Shooting: "James Holmes Aurora Shooting: University Of Colorado Keeping Quiet On Signs Of Trouble" http://www.huffingtonpost.com/2012/07/23/colorado-theater-shooting-university-of-colorado-trouble-signs_n_1696502.html]
...Over the years, the Polaris and Emerson personalities fought for dominance, until Polaris was approached by the demon Neron. Polaris sold Neron Emerson's soul in exchange for greater power and being rid of the other, restraining side of his personality.
["...'He looks demonic,' David Sanchez said after Holmes' bizarre, semicatatonic first court appearance in Colorado, where prosecutors are considering the ultimate punishment.
'He had demonic eyes. There's something crazy about him.' ..." http://www.nydailynews.com/news/national/dark-knight-theater-shooter-james-holmes-face-capital-charges-court-appearance-aurora-colorado-article-1.1119988]
...It eventually transpires that this is a new manifestation of his personality disorder; Polaris is hallucinating...
["Illusions Fascinated Colorado Massacre Suspect as Student" http://www.businessweek.com/news/2012-07-22/illusions-fascinated-colorado-massacre-suspect-as-student]
...Another one of Emerson's weaknesses was telepathy, due to his fragile psyche....
["WATCH: James Holmes Spoke About Subjective Experience At Miramar College 6 Years Ago" http://pulse2.com/2012/07/23/james-holmes-subjective-experience/]