Detective Comics (2016-) #986

Black Lightning, the Signal and Cassandra Cain are working very well together�but now they�re up against a foe who can tap directly into their worst emotions and play them like music! When you�ve seen the kinds of horrors these poor souls have, there�s plenty of trauma to work with�and with that, you can turn these heroes into deadly weapons! Meanwhile Batman�s �side project� has been revealed�what are the Brainiac Files, and what, exactly, does Batman plan to do with them?