NEW: 2,748 migrants die so far this year in Mediterranean, or 73% of those worldwide
European external borders are considered the world's deadliest for migrants
22,400 migrants died trying to reach those borders between 1996 and 2014
For all the presidential candidates’ uproar over the U.S.-Mexico border, the world’s biggest migrant crisis actually lies with the European Union, reeling from mass deaths on land and sea.
In the span of just a week in August, 71 refugees were found dead in a truck in Austria, and scores of other migrants died off Europe’s shores yet again.
Indeed, the Mediterranean Sea is called the world’s deadliest borde