give me a format letter to the senator discussing a criminal justice

issue that is affecting michigan. i need a source of newspaper . In the letter i need to address the following:

-the problem.
-location of the problem.
-the reason of affection.
-the prevalence of the problem.
-how can i address the issue. o have to use evidence, court cases, criminal justice policy, or any item to support the stance and strengthen my argument.