even in this regimented army world, fc guillen texted a lot with her friends, boyfriend, and constantly texted with her mother gloria. >> my mom was texting her every other hour. what are you eating? are you okay? >> reporter: so we strange wind by midday, the tech stopped appearing. >> the call went straight to voice mail. the message didn't send. i tried calling again. it went to voice mail. that's when i started getting really scared. >> reporter: vanessa guillen was it typically american one. the daughter of immigrants, 1 of six children, she was a mix of many things, generosity, ambition, humor. >> when no one was watching her, she was with her family. what was your personality like? >> she was goofy, she laughed at herself. her laugh was contagious. >> reporter: according to her mother gloria, even as a child, vanessa was laser focused. >> is it true she wanted to be in the army as young as ten years old? [speaking spanish] [speaking spanish] >> reporter: by high school it looked like vanessa would have plenty of options in life. her friend ashley said sports were her thing. >> sh