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. Roy L. Payne A king in character, mixed up with state military group reversal LEAR RUNE CALIFORNIA ROTC = NUCLEAR REACTOR (RUNE, CA mixed up hold LEAR; then ROTC backwards)