The biggest thing? Use of tactics that will catch the invaders:
- Border wall
- Aerial surveillance
- Biometric tracking system
- Put the screws to DHS - fire/discipline those who are screwing up, work with the states
- And other ideas
The absolutely BEST idea? Get rid of the "slush funds" - government funds that are given to groups acting contrary to American interests (those that are allowing invaders to drag out the process of deportation, help invaders settle into communities in the USA).