washington u.s. president-elect donald trump plan rapidly deport million illegal immigrants criminal record would tax system already stretch limit current former u.s. immigration officials say immigration court issue deportation order set bond grant deny asylum currently backlog 500,000 case boost staff could help address problem could prove difficult officials departments justice homeland security say trouble quickly find vet enough qualify candidates fill position judge immigration agents congress authorize executive office immigration review adjudicate immigration case far able fill 294 judge position 374 congress authorize process slow necessity candidates job face rigorous screen process comparable appointment u.s. attorney say spokeswoman kathryn mattingly trump say last week election victory take office move deport incarcerate million illegal immigrants criminal record u.s. immigration customs enforcement force 6,200 agents responsible arrest deport criminal migrants already spread thin agents could redeploy areas agents would likely need hire deportations sharply escalate say immigration customs enforcement official ask name agency would probably need add detention space well official add apprehensions migrants could also strain border patrol struggle fill open position congress mandate force 21,000 border agents currently stand 19,000. former u.s. border patrol chief mike fisher say agency run problems decade ago congress ask double number border patrol agents 6,000 12,000 2004 2006. push hire quickly help fuel corruption march 2016 report department homeland security independent advisory council find report conclude rapid hire exploit mexican drug gang send cartel-friendly applicants patrol job hire facilitate drug smuggle across u.s.-mexico border agency begin use polygraph test 2010 weed applicants criminal histories tie cartels fisher say test make hard find qualify candidates estimate time leave 2015 border patrol make one hire every 100 applicants imagine say double fisher say trump could try change laws procedures expedite deportation process could reduce need additional personnel friday trump tap republican senator jeff sessions attorney general sessions support trump plan build wall u.s. border mexico undo obama executive action immigration president barack obama time office unite state deport 2.5 million illegal immigrants president surge u.s. deportations could swamp overtax system