>> in about 20 minutes, i got a signal that was in the proper reading range as far as the detector was concerned for a shell casing. i went down, got a plug, turned it over and sitting in the plug was a .25 caliber shell casing stuck to the bottom. when you look at it, and you see the patina on it, you know, it's not a freshly buried object. >> my first thought was this is too good to be true, this cannot be the one that he actually fired. >> investigators hoped that after 15 years in the ground, the shell could still be tested. 15 years after melvin and not being able to get up from a fall can have serious, lifetime consequences. being prepared is important. philips lifeline with autoalert is more than just a medical alert button. it's an advanced fall detection system designed to get you help quickly. if you fall and you're unable to push your button, the fall detection technology within