Some Ships Have Hidden Armed Guards on Board
Most ships have a brig for a reason, and they’re probably used more than most people would like to think. There have been a number of high-profile crimes committed on cruise ships, but most are usually pretty petty. Luckily, cruise ships are equipped with cameras pretty much everywhere, and crews are trained on all to deal with all types of crimes.
Some ships even carry armed guards though they are often out of sight.There has been everything from bomb threats to assaults on cruises. There have also been missing people, which likely involved a heinous act on more than one occasion.