under the pseudonym of kelly lundy. >> yes. >> reporter: "kelly lundy" advertises her services on jamie'sring photos. her price -- $600 an hour. this is what you wrote on your web page. "i try my best to bring elegance and class to the table, and will dress appropriately for any occasion. i enjoy men of all shapes, sizes and colors, and i have an affinity for women as well. i am bisexual." >> right. >> reporter: the clients respond instantly. and mark is there in vegas the first time his wife heads off to her new job. on her very first gig working as a paid escort -- >> uh-huh. >> you're there watching her get dressed and get ready. >> correct. yeah. i know what she's doing. it bothers me. i've raised my objections, she's going to do it anyway. >> reporter: one of the most arresting aspects of this double-life story is that two lives are playing out almost simultaneously. after her first sexual rendezvous, escort "kelly lundy" slips out of her dress, quickly changes into her running gear and sprints across the strip to appear as suzy favor hamilton, the track star, at a local fundraiser,

. >> reporter: very quickly you begin working under the pseudonym of kelly lundy. >> yes. >> reporter: she advertises her services with these alluring photos. her price $600 an hour. >> reporter: were you worried someone was going to recognize you and figure out you were susie faber hamilton. >> i was completely delusional. whatever it took, whatever risk i was going to do it. >> reporter: any gambler will tell you luck can't last forever. >> i'm waiting for the elevator. i hear this man go, hey, susie. i'm like, oh it's just another runner. >> reporter: no, not a runner. but investigative journalist william bastone, co-founder of smoking gun.com. and he's got the goods. according to susie, he tells her he has spoken to several clients and also matched the dates of kelly's availabilities with susie's public appearances. >> i just, i about wanted to, just, die at that moment. because i knew, i knew my life was probably over. >> reporter: two weeks later the story hits with the force of a freight train. >> susie faber hamilton was working as a high priced las vegas escort. >> this is un

motivational speaker, suzy pours her competitive spirit and olympian's drive into her call girl alter ego kelly lundy>> one day had run a half marathon in the morning in a different state, hopped on an airplane, got to vegas, had five appointments. >> reporter: when you say five appointments -- ? five different clients. >> reporter: running at full speed her double life comes crashing down when a reporter discovers her secret. >> this will happen. >> it happened. she was discovered. the story broke nationally. it was huge news. but it did spark finally her going to a doctor and she was diagnosed as being bipolar, mental illness that runs in her family. her brother committed suicide after suffering if bipolar and a doctor found out the antidepressants she had been given were fueling the manic episodes leading to her life -- >> her husband knew about this the whole time. >> her husband knew abouting everything. he was trying to protect the young daughter. felt like he couldn't do anything. was going to divorce her at the end when it finally hit the news, but stuck by her and they're trying to work it o