Here are the materials in Pearson v. United Debt Holdings (N.D. Ill.):
Plain Green LLC
Consumer Financial Protection Bureau Denies Petition by Tribal Payday Lenders to Set Aside Investigative Demands
Here:
201309_cfpb_decision-on-petition_great-plains-lending-to-set-aside-civil-investigative-demands
Thanks to S.D. More material here.