CHARLESTON, W.Va. -- An aide at Riverside High School was charged Monday with assault, battery and possession of a controlled substance after she allegedly threw cowboy boots at a manager of the Magic Mart in Belle.Heather R. Lively, 34, of Hansford walked into the store, took off the cowboy boots she had been wearing and placed them on the counter, store manager Gary Lee Harrah told State Police. She wanted to return or exchange the boots, but Harrah refused, according to a criminal complaint in Kanawha County Magistrate Court.Harrah told police that Lively became enraged and began yelling at him. She picked up the boots and threw them at Harrah, striking him in the face, he said.Lively told Trooper R.S. Minor that she only threw the boots on the floor, and Harrah did not show any marks of injury, Minor said in the complaint. But witnesses told police she was very belligerent and struck Harrah with the boots.Lively was arrested and taken to the State Police's Quincy detachment. Minor searched Lively's purse and found two packages containing Suboxone, a drug used to treat opiate addiction. Minor said that Lively told police she is addicted to Suboxone and purchased it from someone off the street, according to the complaint. Lively's position is listed an "itinerant autism mentor" at Riverside, according to the Kanawha County Schools website.Her bail was set at $5,000 and she remained in the South Central Regional Jail Monday night.