He was also found to have said in December 2020 that "back in the day, you used to be able to get cocaine, purer", or words to that effect.
A pupil said Mr Lawler started talking about the drug of his own volition and it was in no way related to the lesson.
The panel also found him to have told pupils that they should all be "hanging from lampposts" because of poor performance in their mock exams.
The hearing was told this was while the class were discussing mental health and life expectancy, with one pupil "taken aback" as she was "going through struggles" at the time.
