. >> reporter: travis alexander was a motivational speaker, compelling and effective. he was also a close friend and co-worker of david hughes in the fall of 2006. >> and i knew that he was single and he was always looking for miss alexander. >> reporter: enter saleswoman and aspiring photographer jodi arias. >> and i told travis, hey, there's this cute girl that i work with, you should meet her. and he goes, introduce me. and so i introduced them and then they were able to develop a relationship pretty quickly from there. >> they met in vegas. the night they met it seemed that they -- things heated up very quickly because jodi arias has said within a week or so they're having sex in the car. >> reporter: jodi and travis had an instant physical connection, a whirlwind romance, but a long-distance one, with her in palm desert, california and him five hours away in mesa, arizona. still, that wouldn't slow them down. shanna hogan is the author of "picture perfect," about the jodi arias case. >> from the very beginning travis and jodi were almost in constant communication. they talked every day. they exchanged thousands of e-mai