Example of smuggling through port of entry. Also x-ray technology used
Border wall and drugs
Arizona Daily Star
Mexicans resume as top group of asylum seekers in August
Replaces Central Americans who are more quickly denied.
A few more ladders
More funds diverted
Central American aid restored
Reuters
Flooding
Water levels are intermittent, but the Rio Grande is subject to periodic flooding. This article points out a wall can make this worse.
Conservationist backlash
https://meaww.com