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Input: Scott Ostrem  47   was charged with six counts of first-degree murder and 30 counts of attempted murder at the Adam County District Court on Monday  the Denver Post reported.
 Ostrem  appeared ânonchalantâ when  he  walked into the Thornton superstore on Thursday evening and opened fire  killing Victor Vasquez  Pamela Marques  and Carlos Moreno  police said.
Chaos erupted inside the store and  Ostrem  fled the scene in a red Mitsubishi before  he  was arrested the following day 
 Ostrem âs stepsister Michelle Willoughby said he has been tormented by voices in his head since taking LSD nearly 30 years ago  she told the Denver Post.
 Ostrem  appeared ânonchalantâ when  he  walked into the Thornton superstore on Thursday evening and opened fire  killing Victor Vasquez  Pamela Marques  and Carlos Moreno  police said. (Thornton Police Dept./AP)
Willoughby  who lives in Cocoa Beach  Florida  said she does not know what might have triggered the shooting because she has not been able to speak with  Ostrem .
The family contacted a hospital  and  Ostrem  underwent a drug intervention but did not get psychological treatment  she said.
 Ostrem  was frequently counseled by a Catholic priest who placed a crucifix on  his  forehead  commanded demons to leave  his  body and asked God to silence the voices  Willoughby said.
Chaos erupted inside the store and  Ostrem  fled the scene in a red Mitsubishi before he was arrested the following day  (Helen H. Richardson/AP)
Charles Grob  a psychiatry professor at UCLA  said it is unlikely that LSD would be the cause of a decadeslong psychosis. It was more likely that  Ostrem  had âsome severe disturbance to begin with â he said.
 Ostrem  did not enter a plea on Monday.  He  is being held without bail.

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