Who Is Monty On 13 Reasons Why? And What Did He Do?
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13 Reasons Why: What Happens To The Characters In Season Two?

9. Who Is Monty On 13 Reasons Why? And What Did He Do?
"Monty, full name Montgomery, was a minor character on season one. A member of Bryce's gang, he was mostly seen bullying other students, especially Tyler. In season two, he tries to intimated those testifying in Hannah's case by anonymously sending threatening messages. Eventually, he is exposed and Bryce distances himself from Monty. He takes his frustrations out on Tyler by beating him up and sexually assaulting him with a broom. No action is taken against him.