I've now called all my representatives

In addition to emailing, call and talk directly to a person and present your outrage to them, demanding a full, independent investigation. I stammered through my outrage to each person's staff, not reading from a script, just expressing that no one will ever get my vote who bows out of supporting a full investigation.

Senator Carl Levin (D- MI) 202-224-6221
Senator Debbie A. Stabenow (D- MI) 202-224-4822
Representative John D. Dingell (D - 15) 202-225-4071