Update, Tuesday, 7:30 a.m.: Cindy has been found and is safe, Herndon Police said.
The National Center for Missing and Exploited Children and the Herndon Police are asking area residents to be on the lookout for Cindy Guzman Serrano.
Guzman Serrano, 13, was last seen on Sunday, June 5. She may be in the company of two adult males. They may be traveling in a black four-door sedan, possibly an older model Pontiac.
Cindy is about 5-foot-6 inches tall and 125 lbs. She has brown hair and brown eyes.
Please call 1-800-843-5678 or the Herndon Police Department 703-435-6846 if you have any details.
Photo: Cindy Guzman Serrano/Credit: National Center for Missing and Exploited Kids