Citadel Loan Servicing, arguably the largest active originator of nonprime mortgages, plans to move forward with its first non-agency MBS by the middle of this year. Company founder and CEO Dan Perl told Inside MBS & ABS that the firm has already picked a custodian as well as what he calls a “watchdog” to review the collateral. The watchdog in question appears to be Clayton Holdings, said one source, but officials at both firms would not discuss the matter. Perl declined...