I'm wondering if your Chief of Police is an elected official. If so, this sounds more like a political rally and they think your story could help which ever side they are advocating for.
I think it's a good idea to talk to the detective and get a better feel for things- especially, what is he expecting you to say? Does he want you to relay horrid details or advocate for something in particular?
If you do this, it might be a good opportunity to advocate for policemen to get some training on dealing with calls where a person has MI. Our local NAMI group gave a class to our policemen. I guess it made a difference- they floored difficult child with tasers instead of "real" guns. Is that an improvement??
