government spending on the vetting process. while we're at it in the senate. michael phaoe ham, josh holes the, thank you. routine citizenship checks not just at the border but way beyond it. that move now sparking controversy. molly line is live in portland, maine. >> reporter: border patrol agents do far more than keep an eye on the frigid border with canada. at a bangor bus stop in maine, agents went and asked people that were boarding those buses, often heading to cities like boston asking if they were u.s. citizens. although they declined a request for an interview, border officials confirmed their agents routinely engage in operations at transportation hubs throughout the state. american civil liberties of maine fiennesed the practice troubling. >> any time the government agents stop and question somebody, they need to have a justification for that.