The Case of the Promoter's Pillbox

Aspiring screenwriter Herbert Simms submits his first teleplay to producer Charlie Corby who tries to use the manuscript as his own. Corby's scheme comes a cropper when he gets fatally whacked over the head with a whiskey bottle after a party. Herbert happens to be in the wrong place at the wrong time and is seen running from the scene of the crime. Guess who gets arrested for murder?