Pirates Thwarted by Sonic Weapon
Kristian Hermansen was one of dozens to submit a story about would be pirates attempting to take control of a cruise ship of the coast of Africa, only to be twarted by some sort of
sonic weapon known as an LRAD, or Long Range Acoustic Device.
Anyone who uses Mythbusters as a real source of proof of something working versus not working either don't watch the show, or don't understand the things they're testing.
Its entertainment, not science. The fact that it could be used as a source to declare something an urban legend is a sign of the risk using Wikipedia as an authoritative source.
A smuggler isn't a pirate--he's a smuggler. Pirates attack opther ships, board them and steal from them (generally also killing passengers & crew). And we need to revoke the treaty which forbids commercial ships from carrying heavy weapons. A rocket into the pirate boat would do a lot better good than a little smoke-alarm noise.
Smugglers smuggling food, medicine and health equipment... there's something wrong when there's a market for smuggling such things.