First I would plan on the investment of a good reputable guide. Do your research here, don't just take the word of the first person you come across. A guide that matches your wants, needs and fishing style makes a day on the water memorable in the way you want it to be memorable.
I would also fish in Texas, not Mexico. Lake Falcon is producing incredible fishing. If a Texas / Mexico border lake is chosen simply stay on the Texas side. Not only will it be the safer intelligent choice, it will also be cheaper. This issue would need to be acknowledged by the guide.
If you find the Texas Fishing Forum and post your concerns on the bass fishing site you will get plenty of responses. You can do a lot of research on that site. Good Luck