Rep. Henry Cuellar believes Trump's threat of tariffs will "definitely get Mexico to the table so we can solve the problem about immigration and fentanyl."

Mexican President Claudia Sheinbaum says that the incoming U.S. president’s plan to institute massive tariffs on Mexican imports would bring about mutually assured economic destruction.

While the announcement is almost certainly bluster to bring attention to illegal immigration and fentanyl smuggling, there are several reasons why it is so risky.