Three Afghan National Army officers , who disappeared while guests of the U.S. military at a training exercise in Massachusetts , are being charged with immigration violations . The men disappeared Saturday and reappeared Monday in the custody of Canadian border guards . U.S. Immigration and Customs Enforcement took custody of the three Tuesday morning , Massachusetts ICE spokesman Daniel Modricker told CNN . They are being charged with administrative immigration violations and have been placed into removal proceedings , the spokesman said . Maj. Jan Mohammad Arash , Cpt . Mohammad Nasir Askarzada and Cpt . Noorullah Aminyar were caught by Canadian border guards at Rainbow Bridge , a checkpoint on the border at Niagara Falls . They went missing after a trip to a mall . Authorities have said they posed no threat to the public . The men arrived in the United States on September 11 for the annual Exercise Regional Cooperation and were quartered at Joint Base Cape Cod , according to the Massachusetts National Guard . The training included troops from six nations .
The men have been placed into removal proceedings . They went missing after a trip to a Massachusetts mall . Police say the two were last seen at around 12:30 a.m. on July 10 in an area of Boston called South Station Mall, where they had gone for dinner with friends and family.