There is a form on the Department of Justice Website that can be used to email Garland and ask (beg, implore, demand) that Trump be prosecuted. A link to it can be found in another article I wrote: https://medium.com/politically-speaking/trumps-tearing-up-official-documents-may-be-his-end-bbae19000496?sk=3292b07d386c9b9f75a1897c649175e8