one a day men's 50+. >>> about a year after the highway shooting, a package was mailed to george kerrly's address in eklutna, alaska. since george was out of state, his father decided to open it. 44-year-old david kerr was killed instantly. george's stepmother michelle was barely alive. every bone in her face was broken, her eardrums shattered. police questioned her on the way to the hospital, convinced she would not survive. >> michelle, there's some police officers here. just repeat what you think happened. go ahead. >> well, we got a package for george from the state of alaska. i know it was from doug. >> how do you know it was from doug, michelle? >> because george put him in jail. >> okay. >> george testified. >> michelle thought the bomb had to have come from the two men her stepson put in jail, doug gustafson and r.d. cheely. >> the bomb was not meant to frighten someone, to intimidate someone. this was meant to kill. and it succeeded, killing the wrong person. >> but could the forensic evidence prove it? at david kerr's autopsy, investigators found a tiny metal post in his che