1.   At the same time, government investigators have issued a dark warning about organized smuggling of people across U.S. borders.

2.   Another concern is what Reeker called the marked shift toward organized alien smuggling of Cubans into the United States.

3.   Cuban and U.S. officials have expressed concerns about the rise in organized smuggling of Cubans, often in flimsy boats.

4.   U.S. officials also are worried about the rise in organized smuggling of Cubans, often in flimsy boats.