So a cop finds one of Dick's bunkers and somehow breaking into it doesn't set off alarms in the Batcave, Titans Tower and wherever the JLA is working from these days?

As Dick noted in the last storyline, Dick has about a dozen Pentagon's worth of secrets in his head, involving just about every superhero going. Even if he can't access those memories he's a ridiculous security risk to let walk around, and even more to leave his various bunkers so easily accessible.