For nearly 70 years, Raúl Castro helped guide Cuba through its revolution and into the 21st century. What's next?

The possibility that the Justice Department could indict former Cuban leader Raúl Castro is pushing U.S. relations with the communist-run island to the foreground.

The 94-year-old former leader of Cuba faces several charges, including four counts of murder for an attack on a humanitarian group more than 30 years ago.

Move comes as Trump pushes for regime change on communist-ruled island