Remember that the regulation on falsification says "intentional." If someone else made the error in their recordkeeping, then it's not on you. Even if you made an error and it wasn't intentional, there is considerable room there. Everyone has made unintentional errors.
Use caution when selecting an aviation attorney. Every lawyer with a private pilot certificate wants to call himself an "aviation attorney". Give extra weight towards those recommended by AOPA. Also, consider contacting any others who are in the same situation as you and explore the possibility of combining financial resources and going together to hire one attorney.
Soy, a bit off topic, but did everything turn out okay with your buddy's kids SIFT test?