..a ship left Genoa bound for Lisbon on November 8, but rather than take a direct route, the vessel took a 500 nautical mile detour to a point mid-sea off the coast of Africa, where it stopped, lingered, and then performed a u-turn towards Portugal. It raises the possibility that the ship performed a mid-sea rendezvous with another vessel to transfer an illicit cargo. intel

https://www.ft.com/content/4d71dc5e-c8ec-11e5-be0b-b7ece4e953a0