DC Carter Hull is the one that targeted Marianne Chifelle’s breakfasts
among others with HIS letter
http://media.aclj.org/pdf/irs-letter-from-washington-dc-office-unredacted.pdf
Who is Marianne Chifelle??
http://www.youtube.com/watch?v=Uq0d7an6lk8
A little old lady tea partier.
Being somewhat familiar with the C3 and C4 process, the first letter is more standard. The second one is off the charts.