A new and different Gardner — featuring the State Police and forensic medicine. It was there that Rob Trenton found himself on a blissful tour with the lovely, if mysterious, Linda Carroll. And it was there that the bumptious Merton Ostrander joined the twosome and, as far as Rob was concerned, made it a crowd. But it was on a lonely road outside New York City that the real trouble began. For that was when Rob discovered the cache of dope cleverly concealed in Linda’s car — setting the scene for murder