Complex sentence: On July 9,2010, the U.S. Justice Department opened a civil rights investigation against Mehserle, as the federal government can prosecute independently for the same act under the separate sovereigns exception to double jeopardy.
Split into simpler sentences: On July 9,2010, the U.S. Justice Department opened a civil rights investigation against Mehserle. The federal government can prosecute independently for the same act under the separate sovereigns exception to double jeopardy.