How DHS's threat to cut customs processing in sanctuary cities could snarl air travel everywhere

Source: Business Insider

Markwayne Mullin, the new DHS secretary, has said he is considering cuts to customs agents at international airports in US cities that do not cooperate with his department's deportation efforts. Kent NISHIMURA / AFP via Getty ImagesThe head of the DHS says he wants to punish sanctuary cities by limiting customs processing at certain airports. That sparks a lot of questions.