if just one person had stepped up. if just one more phone call had been made. one dot connected. instead, the repercussions of a preventable murder would continue for years to come. >> lauren grew up in the college town of pullman, washington. her parents both professors. and from early on, lauren was a girl in motion. her mom, jill. >> she could climb trees when she was two years old. >> as lauren growth, she excelled at the hurdles and high jump. a stack of medals tell her story. which paid off with scholarship money from the university of utah. her dad, matt. >> one of the attractions of university of utah was that it appeared to be very safe. >> and they actually sell that. you know? salt lake city is one of the safest cities. this is a safe place. >> as part of the pitch? >> yes. >> as she headed off to college,