Date:  March 1, 2018 Location:  Playa del Carmen, Mexico Event: On March 1, undetonated explosive devices were found by Mexican law enforcement on a tourist ferry that operates between Cozumel-Playa del Carmen, Mexico.   On February 21, an explosive device detonated on a tourist ferry in Playa del Carmen resulting in injuries, including to U.S. citizens.  U.S. Government …