New year, same problem...
https://www.breitbart.com/texas/2016/12/31/breaking-cartel-gunmen-fire-border-patrol-agent-arizona/
Build the walls, fences, security systems, expand CBP/ICE, deploy the Guard (Army/Air) permanently to secure the large open areas not physically blocked.
If it takes a lot of money, so be it, if it keeps a POS like this guy out:
https://abcnews.go.com/US/wireStory/mexican-man-charged-rape-19-deportations-removals-44472938
It's worth it.