Dahmer was a homosexual serial killer trying to create mind-controlled zombies, just like the dems try to do in public schools.
While nobody really knows who Jack the Ripper was, it seems obvious he had a very tiny and impotent member, just like male DUmmies, so that he used a blade as a surrogate for what he could not do.
While not serial killer, both Hinkley and Chapman where attention whores, just like nearly every prominent DUmmie.
Leopold and Loeb both felt they were so superior they had the right to kill someone they perceived as weaker, just like all of the pro-state run healthcare crowd.