Tonight on Special Report with Brit Hume.

Bret Baier reports: A Muslim guerrilla leader whose fighters kidnapped two Kansas missionaries and scores of other people is shot in a clash with U.S.-trained troops and may be dead.

Guest preview: Johathan Turley from George Washington University Law School joins us to discuss the Supreme Court decision that executing the mentally retarded is unconstitutional.  He will also discuss the upcoming Supreme Court decision on school vouchers.

Catherine Herridge reports: The FBI says it is investigating a Nevada man's claim that he picked up a conversation in Arabic on his cell phone during which someone said there would be a "hit" on the "day of freedom."

Carl Cameron reports: Bush administration hates leakers, but a high-profile congressional committee may have one among its members or staff.

David Lee Miller reports: Four Palestinians — three of them children — are killed when Israeli tanks mistakenly opened fire on a group of curfew violators in the West Bank city of Jenin.

Trace Gallagher reports: The government is trying to help welfare recipients relocate and find jobs.

Details on this story and more on Special Report with Brit Hume.
— Guests and topics are subject to change