Issue Detective 569
Subtitle Catch as Catscan
Date December 1986
Writer(s) Mike W. Barr
Artist(s) Alan Davis, Paul Neary
storyline Catwoman ratted out her former gang to Batman and Robin, who easily took them down at an attempted heist. Gordon called in the BatSquad - Joker was on the loose. When they went after him, he captured Catwoman and left Batman and Robin bound. Joker used a corrupt doctor to turn a cat scan machine into a mind altering device - he used it on Selina. 
(continues in Detective 570)