(March 21, 2016, 3:07 PM EDT) -- LITTLE ROCK, Ark. — Because a lender failed to submit facts demonstrating that it conducted a diligent inquiry into the whereabouts of a mortgagor’s heir, an Arkansas appeals panel on March 2 found that he had not been properly served with a warning order of foreclosure, leaving it to vacate a trial court’s default judgment in the foreclosure proceedings (Montrevel Billings, et al. v. U.S. Bank National Association, No. CV-15-680, Ark. App.; 2016 Ark. App. LEXIS 149)....