here s john zarrella with oscar s story. reporter: highway 15 in mexico, south of tucson. a road running through the life of oscar vasquez. most days i just go to work and come home and sleep and sleep as much as i can, then go back to work. reporter: this part of oscar s story will come later. just remember highway 15. let s go back. 2004. carl hayden community high school in phoenix. vasquezing with of mexican descent, was a desenior. he had been in the united states since he was 12 when he and his mother slipped across the boarder to meet his dad who was already here. at the time, immigration was not that big. it was kind of accepted by everybody that we had undocumented students. but no one made an issue of it. it was kind of just like second nature. reporter: he worked his way up to executive officer in the school s rotc program. he was also part of a team of students really bright students,