The "crook quotes" were the phrases found under each crook's name in the Dossiers. The quotes were a
type of cryptic clue. You substitute city puzzle answers for words in the clue and follow the resulting
directions found in the clue.

Guy Gerr

Replace leftover uranium by randomizing (ergo in endless string, topologically)
         RESIDUAL                       HENCE                 TANGLE

= TANG RESIDENCE HALL
(replace U in RESIDUAL with randomized HENCE; all in TANGL)