This is one of the best suggestions. Don’t just write asking he or she to do something but rather prepare a letter which can simply be endorsed by your congress member and forwarded to St. Louis. They will make a extra effort but even then it may turn up nothing. The conveience of “the fire” can’t be overstated. Basically the workers there have no skin in the game and a very low threat of anything happening to them for their lack of auditability and control. Another government agency at there best.