Scott Paul Beierle taught at Meade High School in the 2005-2006 and 2006-2007 school years, county schools officials confirmed.
Beierle's political affiliations were unclear, though it appeared he had some disagreement with the Obama administration.
BuzzFeed first reported the existence of the videos, which were posted to YouTube in 2014. In a series of videos posted over a three-day period in August 2014, he ranted against women and minorities, the police and the Army - anyone and everyone who he believed had wronged him. In one video he identified with Elliott Rodger, an avowed misogynist who killed six people at the University of California at Santa Barbara earlier that year.
The incel movement is made up nearly wholly of men who "can't have sex despite wanting to" and feel as if they're unfairly denied sex because they're unattractive or awkward, according to incels.me.
The attack at the studio, which is part of a small shopping centre, happened around 6pm local time on Friday.
Megan Nixon said she was eating at a restaurant underneath the studio when she heard shooting and people running upstairs. "This monster ruined it".
Emergency personnel stationed outside the HotYoga Studio after a gunman opened fire inside on November 2,2018 in Tallahassee, Florida. He was originally from NY, had served in the military and once was a teacher in Maryland.
"I'd like to send a message now to the adolescent males ... that are in the position, the situation, the disposition of Elliot Rodger, of not getting any, no love, no nothing", Beierle said in the video, according to the report. "I got too rowdy for their sensibilities", he said. When the woman declined, she told police, Beierle "slapped her butt, and grabbed it and then shook it". "I ran back over and the next thing I know I'm grabbing a broom, the only thing I can, and I hit him again". Beierle then fatally shot himself inside the studio.
"No act of gun violence is acceptable", Gillum wrote on Twitter. Bohnett said that those at the studio Friday were yoga devotees.
The department identified them as Dr Nancy Van Vessem, 61, and Maura Binkley, 21. Online records show Binkley was from Atlanta.
Two people were admitted to a hospital and are in stable condition while three others have been released from the hospital, police said.
In 2012 and 2016 he was arrested for grabbing women's bottoms, although prosecutors later dropped the charges.
Court records indicate prosecutors agreed to dismiss the battery charge after Beierle completed a six-month diversion agreement requiring him to stay out of trouble, not drink alcohol to excess and to follow a psychologist's recommendations.