The Case of the Empty Tin

"I had a right to shoot him," the voice on the telephone hesitated, then went on slowly. "No jury would ever convict me - not ever.... Now, do you want to see me?""I want to see you," Mason said sharply.PERRY MASON slammed the receiver down and hurried out to the Hillgrade address. There he found the mysterious caller, Sarah Perlin... DEAD!Why would anyone want to kill a woman who had just confessed to murder? Could the message in the empty tin can have anything to do with it? Perry Mason braced his shoulders. "I wonder why it always seems to rain bodies when I get involved in a case?"