Brought in by police officers under the suspicion of carrying drugs on their person… well in their person in this case.
Body packing is an increasingly ‘popular’ method for tourists to bring in illegal substances. This is one of the more obvious cases, but small multi-layered swallowed packets can be very difficult to discern from faecal matter, even on CT.

For other unfortunate foreign bodies please visit Radiopaedia.org here.
Credit: Dr Frank Gaillard
http://www.radpod.org