Underground walls only work in Israel: Ask (((Sen. Diane Feinstein))):
Dec. 2017:
Why building border wall is waste of resources - San Diego Union-Tribune
By Dianne Feinstein
A wall will have little effect on transnational criminal organizations that can simply dig underneath it.
Go tell Israel, Jew, or better yet, leave the racist, hateful U.S. and immigrate. As a Jew, you have the right.