Crime Abducted 14-Year-Old Texas Girl Is in 'Grave or Immediate Danger': Police Hayley Giandoni was last seen dressed in a gray sweatshirt and camouflaged leggings By Chris Harris Chris Harris Twitter Chris Harris has been a senior true crime reporter for PEOPLE since late 2015. An award-winning journalist who has worked for Rolling Stone and MTV News, Chris enjoys prog rock, cycling, Marvel movies, IPAs, and roller coasters. People Editorial Guidelines Published on December 20, 2021 12:06 PM Share Tweet Pin Email Hayley Giandoni. Photo: Fairview Police Department Texas authorities need helping finding a 14-year-old girl who was kidnapped Saturday. An Amber Alert was issued Sunday night for Hayley Giandoni. According to the Texas Department of Public Safety, Hayley was abducted from Collin County. She was last seen in Fairview, Texas, at about 6 p.m. that evening. Authorities said she was kidnapped on the 100 block of Stone Hinge Drive, just off of Stacy Road. Hayley is a white female with brown hair and brown eyes. She stands about 5 feet 4 inches tall and weighs about 170 lbs. The last time she was seen, Hayley was dressed in a gray sweatshirt and camouflaged leggings. The Texas Department of Public Safety did not provide information about the suspected kidnapper of the suspect's vehicle. Want to keep up with the latest crime coverage? Sign up for PEOPLE's free True Crime newsletter for breaking crime news, ongoing trial coverage and details of intriguing unsolved cases. Police believe she is in "grave or immediate danger," according to a statement. Anyone who may have information about Hayley's whereabouts is asked to call the Fairview Police Department at 972-886-4211. Police urge you to immediately call 911 if you see Hayley.