A pair of Utah siblings believed to have been abducted by their father, whom authorities described as "seriously depressed," and possibly taken to Mexico faces imminent danger, police said.Saratoga Springs police were looking for Dane Stephen Richman, 46, as well as 1-year-old Will Richman and 10-month-old Wesley Richman.Investigators said Richman had just quit his job, was having financial troubles and was in a custody dispute with his wife over the children. He may have been planning the abduction for weeks, authorities said, the Deseret News reported.Authorities issued an Amber Alert over the weekend, saying the two boys were in danger and were taken by their father.MAN ACCUSED OF KILLING PARTNER ARRESTED IN MEXICO NEARLY TWO YEARS AFTER FLEEING WITH THEIR TWO CHILDREN"THERE IS CONCERN FOR THE SAFETY AND WELL BEING OF THE CHILDREN AS THE SUSPECT HAS BEEN SERIOUSLY DEPRESSED, SELLING POSSESSIONS, FACING FINANCIAL STRESS, AND ABANDONED HIS HOME," the alert states.Richman was charged Sunday with two counts of custodial interference, a third-degree felony. He picked the children up from their mother in Washington state on May 16 for his scheduled visitation time, the newspaper reported, noting that authorities initially said the abduction occurred in Saratoga Springs.On Friday, the mother called the Saratoga Springs Police Department after Richman failed to appear at a scheduled deposition hearing.Richman had apparently emailed his attorney that morning saying he no longer needed her services and wouldn’t be attending the scheduled hearing, according to charging documents cited by the newspaper.MISSING CONNECTICUT GIRL FOUND ALIVE 25 YEARS AFTER KIDNAPPING WITH HELP FROM DNA TESTINGRichman's home appeared to be vacant when police visited, authorities said."Given Dane’s financial situation as well as the fact that he appears to have abandoned his house to foreclosure, it seems that Dane has possibly been planning this attempt to kidnap the children several days if not multiple weeks in advance," investigators wrote in the court documents.On May 18, Richman’s 2025 Toyota Camry had some service done in Carlsbad, California, about 50 miles from the U.S.-Mexico border, authorities said.Images taken from surveillance cameras identified Richman in Southern California, the report states.On Sunday, a warrant was issued for Richman's arrest.Police said they are in the process of having the Amber Alert shared throughout Mexico.Anyone with information on Richman's whereabouts is urged to call the Utah County Sheriff's Office at 801-798-5600, or dial 911.