CNN At This Hour With Berman and Michaela December 12, 2014 16:54:00
To the crash site now, being vindicated, knowing this wasn't your fault, what do you think? >> the guilt is definitely lifted. but what happened, the tragedy, of course, is still there. the pain is still real. >> reporter: and nothing will bring michael back. for the past ten years, michael's mother rhonda couldn't bring herself to lay a headstone for her son. now she finally has. >> it was like the story of david and goliath where we took a slingshot and threw a rock and a giant and we won. that's how i felt. that it was all worth it and we weren't scared and we stood up and we got what we wa...