her name's robin jeter. and then jordan just started crying. >> reporter: jeter, jordan knew, was also her birth name. >> i just started crying in the middle of a track meet, in the middle of the bleachers. i was freaking out. i was hysterical. >> reporter: at long last, two sisters met. >> i couldn't even say anything. >> i was like, hi. the only thing i could say was, you know we look a lot alike. >> reporter: jordan was aware she had a sister out there somewhere. for robin, it was a complete surprise. >> who you look like? >> you. you. you. >> reporter: her friends have been wondering where she's been lately. >> i told them i was like, "i'm still going to be here, but i got to catch up on 17 years that i missed out and never known his a sister." >> reporter: divided by time and a few miles, now inseparable. ron mott, nbc news, washington. >> how about that? incredible story to end on for a thursday night. thank you for being here with us. i'm brian williams. of course, we hope to see you right back here t