News Del Rio migrant crisis: How did so many Haitians end up at the southern US border? September 21, 2021 Mabinty Quarshie and Javonte Anderson, USA TODAY Comments Off on Del Rio migrant crisis: How did so many Haitians end up at the southern US border? Border Patrol Chief Raul Ortiz said Sunday 3,300 migrants have been removed from the Del Rio camp either to planes or detention centers since Friday.