As Casablanca sleeps into the early morning hours amid the crashing waves of the Atlantic Ocean, a criminal lurks in the shadows carrying with him two plastic bags that he tosses into a dumpster before dawn breaks. A madman is on the loose in the largest city of Morocco, and Detective Hanash is about to wake to the news in “The Butcher of Casablanca” by Abdelilah Hamdouchi. In the second ...