Final answer:
Inform the appropriate authorities about Jerry's plans and address his frustrations and concerns in a constructive manner.
Step-by-step explanation:
It is important to take Jerry's comments seriously as they indicate potential harm. In this situation, it would be best to inform the appropriate authorities, such as the police, about Jerry's plans. Additionally, it may be helpful to address Jerry's frustrations and concerns by encouraging him to find more constructive ways to address the issue he is passionate about without resorting to violence or harm.