Debates across the U.S over President Trump's border wall finally came to a head in December, resulting in the longest government shutdown in U.S history. And while the partisan issue has mostly swirled around ethical and economic issues, engineer and court-accepted 'wall expert', Amy Patrick has entered the ring with a different point - a structural one.

Debates across the U.S over President Trump's border wall finally came to a head in December, resulting in the longest government shutdown in U.S history. And while the partisan issue has mostly swirled around ethical and economic issues, engineer and court-accepted 'wall expert', Amy Patrick has entered the ring with a different point - a structural one.

Debates across the U.S over President Trump's border wall finally came to a head in December, resulting in the longest government shutdown in U.S history. And while the partisan issue has mostly swirled around ethical and economic issues, engineer and court-accepted 'wall expert', Amy Patrick has entered the ring with a different point - a structural one.

Debates across the U.S over President Trump's border wall finally came to a head in December, resulting in the longest government shutdown in U.S history. And while the partisan issue has mostly swirled around ethical and economic issues, engineer and court-accepted 'wall expert', Amy Patrick has entered the ring with a different point - a structural one.

Debates across the U.S over President Trump's border wall finally came to a head in December, resulting in the longest government shutdown in U.S history. And while the partisan issue has mostly swirled around ethical and economic issues, engineer and court-accepted 'wall expert', Amy Patrick has entered the ring with a different point - a structural one.

Debates across the U.S over President Trump's border wall finally came to a head in December, resulting in the longest government shutdown in U.S history. And while the partisan issue has mostly swirled around ethical and economic issues, engineer and court-accepted 'wall expert', Amy Patrick has entered the ring with a different point - a structural one.

Debates across the U.S over President Trump's border wall finally came to a head in December, resulting in the longest government shutdown in U.S history. And while the partisan issue has mostly swirled around ethical and economic issues, engineer and court-accepted 'wall expert', Amy Patrick has entered the ring with a different point - a structural one.