A temporary worker at a Louisiana high school cafeteria was arrested Friday and accused of selling marijuana edibles.

Tymetrica Cohn, 45, has been charged with possession/distribution of a controlled dangerous substance and distribution of a controlled dangerous substance in a drug free zone, the Tangipahoa Parish Sheriff’s Office said.

Tangipahoa Parish officials said a student used a Crime Stoppers app to report that Tymetrica Cohns, 45, was selling homemade baked goods laced with marijuana a Jewel M. Sumner High School, according to WAFB.

“I want to commend this student who saw something and used the app to bring this threat to the attention of our school officials and law enforcement,” said Tangipahoa Parish School Superintendent Melissa Stilley.

Stilley told police that Cohn was hired by ESS, a Tennessee-based company that provides substituted through all parts of the education system.

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[Featured image: Tymetrica Cohn/Tangipahoa Parish Sheriff’s Office]