The attackers probably produced the missile weapons through digestive processes. With manual loading and launching, neither delivery systems nor ammunition would have problems getting through the metal detectors.
"The attackers probably produced the missile weapons through digestive processes."
Their own? They dropped trou, stood there and took a dump, into their own hands, with the express purpose of slinging it at this kid? Good grief, it's some sort of scatalogical "Lord Of The Flies."