No person shall be held to answer for a capital, or otherwise infamous crime, unless on a presentment or indictment of a Grand Jury …
–Amendment V, U. S. Constitution
But the Justice Department refuses to answer a Freedom of Information Act inquiry about how the government goes about killing Americans overseas. More info at boingboing.
UPDATE–The boingboing post has a tag line about the program in question being run by the administration of a Nobel Peace Prize winner. The first American president to win the Peace Prize had led troops in combat and, while he was responsible, in some cases personally responsible, for the deaths in battle, he did his killing before he won the Prize. He received it for helping to end a war. Most of the more recent Peace Prize winner’s body count has come about since the Prize was received.