How To Write Intervention Letter. Dear charlie, thanks for letting me share and speak to you today. Before you started getting high and drinking all the time, you were my best friend.

Writing an intervention letter can be a very cathartic experience, and helps you organize your thoughts. An intervention can be a highly emotional event, and having prepared comments in the form of a letter can help to maintain the focus of the event. Use neutral language and try to communicate your support with the words you choose.


