George, now to that billion-dollar mystery. Who won that massive mega millions jackpot? Only one winning ticket sold and it was in Michigan. Will reeve joins us now with more. Good morning, will. Reporter: Good morning, robin. It literally is that billion-dollar ticket, we know where it was sold, now we're left to wonder, who bought it? This morning, it's a mega millions mystery in Michigan. They don't have the option to remain anonymous. They have to make their identity known. Reporter: The winning ticket worth a $1 billion, third largest jackpot in U.S. History was sold at this grocery store in Novi, a small town outside of Detroit. In general, any city says, having that ticket bought means more hustle and bustle in the ticket. Reporter: The lucky ticket holder might stay anonymous for a while. With this amount of money they're probably getting their affairs in order, planning what they want to do. Reporter: The odds of holding that winning ticket, 1 in 202 million. Lump sum is $740 million. If you're holding that ticket right now and don't know what to do. Listen up. First, sign the ticket. That's important. Second, keep it in a very safe place. Safe in your home. Put it somewhere that it's going to be safe and secure. Reporter: There are only seven states where winners can stay anonymous, one of them South Carolina, that's where the largest single prize was ever awarded, $1.5 billion in 2018 and now we wait and see who won in Michigan. I personally, guys, would take the lump sum, because it's a whole lot of money. You think you will. Will is getting very wise. Thank you, will. We're following a lot of