Transcript for Romney Campaign Worked Hard to Keep VP Pick Secret
Even his music under the microscope. We thank you thought whoever the choice was that he would have to be comfortable with the choice. Romney has a small and loyal circle from his time in maine and paul ryan got us thinking back to an april fools' joke. Introducing mitt romney to a huge crowd, look at this. Not a soul in the room, it was all an april fools' joke. romney saying to paul ryan, I'll remember this. And another quality mitt romney likely approves of when it comes to paul ryan is his ability to keep that secret. Evading the stakeout at the end of his own driveway there in wisconsin, one of our digital journalist watching, studying every move, just as we do every four years looking for those v.P. Signs. Reporter: It was like any other friday afternoon in janesville, wisconsin, population 63,000. The only difference, reporters. Staked out in front of paul ryan's brick home, studying his every movement for clues. They had gone hours without seeing him, his wife or their three children. Reporters staked out at pawlenty's home in minnesota. Rob portman's home in ohio. There were others, too. Do you get phone calls? I get lots of phone calls. Reporter: And then at 3:08, back in janesville, this. Congressman paul ryan dropped off after attending funeral services to remember those lost in that temple shooting outside of milwaukee. He talked with reporters, asking one of them to back off the grass. And as ryan walked up the driveway to the side door, he appears to be locked out this exchange with our own journalist. Forgot my keys. You don't want to tell us where it is, underneath the mat or anything? I'm not going to tell you. Reporter: The man becoming vice presidential candidate locked out. And he said his wife wasn't home. He went around the back and seemed to find another way in. That's the last we saw of him. Everyone waiting outside. 6:00 p.M. People inside moving around the house. 8:05, the light on the front porch whips on. The news trucks pulling up. At 11:10 p.M., It announced that ryan would be there 20 minutes later, reporters knocking on the door. 20 minutes later, reporters knocking on the door. It seems the family was home. Or were others asked to be decoyed. Even though the ryans were never seen leaving, at 7:00 a.M. This morning in norfolk, virginia, confirmation that paul ryan and his family were there waiting not far from "u.S.S. Wisconsin"
This transcript has been automatically generated and may not be 100% accurate.