Deputy’s use of Taser on Eustis High School student within agency policy, sheriff’s office says Deputy’s actions deemed ‘lawful and within agency policy’ Tags: EUSTIS, Fla. – The Lake County Sheriff’s Office says a deputy was justified in using his Taser on a Eustis High School student while trying to break up a fight on Tuesday. According to the incident report, Deputy Billy Brown, who was working as the school resource deputy for the freshman Courtright Campus, arrived at the cafeteria shortly before noon on Tuesday to find a girl chasing a boy around a table. News 6 is not naming the student who was involved in this incident at this time.