An Illinois teacher accused of burning a student with liquid nitrogen in class has been found guilty, officials say.


Garry Broderson, a former chemistry teacher at Bartlett High School, was convicted Wednesday of reckless conduct and endangering the health of a child.

In May 2018, Broderson, 66, poured liquid nitrogen on a student’s chest and groin area during a science demonstration, according to the DuPage County State’s Attorney’s Office. The chemical burned the student’s groin and finger, officials say.

Former Bartlett High School chemistry teacher Garry Broderson was convicted after burning a student with liquid nitrogen in a class, Illinois officials say. Getty Images | Royalty Free GETTY IMAGES | ROYALTY FREE GETTY IMAGES/ISTOCKPHOTO

A video obtained by WGN shows a student lying on the floor of the classroom as a man pours a substance.

“(A small amount) was meant to be poured on his chest,” a student at the high school told the Chicago news outlet in 2018. “He poured all of it on him, and it instantly burned him.”

“Mr. Brodersen displayed extremely poor judgment when he doused a student with a dangerous chemical during a science demonstration,” DuPage County State’s Attorney Robert Berlinsaid in a written statement.

The student had volunteered to take part in the science demonstration, but did so with the understanding that the liquid nitrogen would be poured over his chest area, not on his groin area, the state’s attorney’s office said. The student has since fully recovered, the office said.

A jury deliberated for about four hours before finding Broderson guilty of the two misdemeanor charges.

Brodersen is expected in court again March 18 for post-trial motions or sentencing.




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