Kenneth Towler did not receive the preferential treatment Potter enjoyed before the headmaster; doing something like that and avoiding expulsion was purely because he hadn't managed to kill anyone.
For the next month, Kenneth Towler would serve detention under Snape's supervision. The Baruffio's Brain Elixir poisoning incident had nearly driven Snape out of his mind.
This matter was far from over. Because the news of the Baruffio's Brain Elixir poisoning had spread throughout the school, quite a few students who had bought the elixir were preparing to demand a refund from Kenneth Towler.
Chapter 257