Murder As Usual — Hugh Pentecost

A psychotic girl had shot and killed Mac Crenshaw. Seconds after, she had been bludgeoned to death by the victim's frantic brother. Crenshaw, the brilliant son of an oil tycoon, had come to the New England town with the advance party for Senator Farraday, a candidate for the Presidential primary. Shocked, the Senator turned to private detective David Cotter, who agreed that the girl was probably just a pawn in a complex game. But who had sent her on the assignment?