Police are now seeking the public's help to solve a murder in Warwick last May.  A sledge hammer described as unique, was found near the body of 66-year-old John Fay.  Investigators say the hammer has a custom-made handle, weighs two-and-a-half pounds and is ten-inches long.  WPRI-TV reports police think it's an old tool that may have been taken from someone's house or toolbox.