More than 800,000 kids are reported missing every year, and most of them are runaways. Desperate parents often turn to the police for help, but there isn't a lot officers can do.
To help with the search, parents are turning to social media sites. Spreading the word over Twitter and Facebook has helped fuel searches for missing loved ones.
When Amie Trejo's 17-year-old son Samuel didn't come home from school Friday, fear set in. Trejo called the police, and then turned to Facebook.