( CNN ) -- The three Afghan National Army officers who disappeared while guests of the U.S. military at a training exercise in Massachusetts spent the night before they went missing at a strip club , police said . The owner of Zachary 's Pub , a strip club in Mashpee , Massachusetts , notified police that that they believed Maj. Jan Mohammad Arash , Capt . Mohammad Nasir Askarzada and Capt . Noorullah Aminyar were at the club Friday night , according to Lt. John Santangelo of the Mashpee Police Department . The men went missing Saturday and turned up Monday in the custody of Canadian border guards at the Rainbow Bridge , a checkpoint on the border at Niagara Falls . They are now being charged with immigration violations . The men were in civilian clothes and were part of a group of about eight people , said Richard Halpern , the club 's owner . `` They were doing whatever a normal guy does when they go to a strip club , '' he said , adding that they `` stayed for a couple of hours and left at 1 a.m. '' Halpern said he received a call from military officials shortly after midnight on Saturday describing the missing soldiers and asking if he had seen them . `` Some of the girls said they did n't seem to understand what they were doing , '' Halpern told CNN . `` It looked like it was their first time in a club . '' U.S. Immigration and Customs Enforcement officials 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 . 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 were sighted at Zachary 's Pub , a strip club in Mashpee , Massachusetts . The club 's owner said it `` looked like it was their first time in a ( strip ) club '' and that they had been there for about an hour or so before the police arrived.