NEW YORK -- A 16-year-old girl whose caught-on-camera alleged kidnapping sparked an Amber Alert has been found safe, but sources tell Eyewitness News that investigators are looking into the possibility the abduction was staged.Police say Karol Sanchez walked up to her relative's Bronx apartment building Tuesday, more than 12 hours after was grabbed by a group of men.She met with police and was taken to the local precinct. Further details of her safe return are unknown at this time, and more information will be posted as it becomes available.The alleged abduction, which happened around 11:30 p.m. Monday in the 700 block of Eagle Avenue, sent shock waves through the neighborhood.Surveillance video released by the NYPD showed two men jumping out of a car and grabbing Sanchez as she walked with her mom.Her mom tried to fight back but was pushed away as Sanchez was forced into the beige four-door sedan with two other men inside.The car with four men and the victim inside then drove off, fleeing east on Eagle Avenue.Investigators initially said Sanchez did not know her kidnappers, but sources tell Eyewitness News that the girl's mother wanted to move them back to Honduras but that she didn't want to go.The incident had other parents and kids in the neighborhood concerned."I always take her to school and pick her up," parent Joy Bates said. "Hopefully nothing like that...I might get kidnapped, too.""My cousin told me, 'Don't say a word, don't walk near a curb, be careful for vans that look suspicious,'" 11-year-old Paige Innis said.The men wanted for questioning in the case are described as four adult males in their 20s with dark complexions. All were wearing dark clothing.Anyone with information is asked to call the NYPD's Crime Stoppers Hotline at 1-800-577-TIPS (8477) or for Spanish, 1-888-57-PISTA (74782).You can also submit tips by visiting the CrimeStoppers website at crimestoppers.nypdonline.org or by messaging on Twitter @NYPDTips.