In the meantime, they can hire observer-onlies who are armed only with binoculars, and who are given no authority to intercept or detain illegals, just watch the border and report. That in itself would be a tremendous help to the Patrol, until such time as they're able to hire the full complement.
How much progress have they made on the few miles of fence in California.
How much more than a pitiful effort have they made to get a fence built?
As I pointed out above, you are not going to be satisfied with your enforcement.