Have Local Sheriff’s begin the deputizing of able-bodied men.
Full background checks for each, with a public oath to serve at the Gov’s pleasure. POST certified, ex-military first encouraged. Texans move to the front of the line.
National Guard Volunteers from other states should be granted temporary TX citizenship if necessary.
Next, begin full inspection of all trucks, trains and buses entering from Mexico (full inspection end-to-end by the book).
Suspend operations of all Central American based banks operating in Texas.
just for starters.
just my $0.02
Texas has a State Guard in addition to the National Guard. The State Guard is never under Federal Control.