DETROIT, Mich. -- A one-day sweep by law enforcement agencies in Michigan resulted in the recovery of 123 missing children, the U.S. Marshals Service said.The sweep, called Operation MISafeKid and conducted on Sept. 26, was aimed at locating victims of sex trafficking."Three cases were identified as being possible sex trafficking cases, and one homeless teen was transported back to the command post after it was discovered that he had not had anything to eat in three days," the U.S. Marshals Service said in a news release.Participating officers were given the case files and began investigating their whereabouts by visiting last known addresses, friends' homes and schools in hopes of finding them in a safe place.During the operation, out of 301 case files, 123 children were identified and recovered safely.All of the children located were interviewed about potentially being sexually victimized or used in a sex trafficking ring during their period of time that they were deemed missing.The Michigan State Police asked for continued assistance on remaining cases.Officials also obtained information on two missing children in Texas and one in Minnesota. Those cases are being actively investigated at this time, according to the U.S. Marshals Service.