Some jackal couldn’t even shake off his hot-blooded, jealous Spanish wife. In a high-security building, it doesn’t matter how long you’ve worked there—everyone and everything must pass through the metal detectors, latex mask or not.
Sure, he might have blown up the apartment, but he left fingerprints in the elevator on his way out. And walking out of the office shooting—a full-on bloodbath—without bothering to change his appearance? CCTV would have tracked him all the way back to the apartment.
The French Surete in the original 1973 ,would have a field day with this "Jackal"