Sgt . Jill says he accidentally crossed into Mexico on daily . He had 100,000 weapons with him and was arrested in California on a weapons charge . His mother and lawmakers are urging State Department to get involved . It is difficult for the U.S. State Department to quantify how many arrests are due to accidental crossings at the U.S.-Mexico border , a spokeswoman told CNN , but Andrew Tahmooressi 's case is not all that unique . Lawmakers have also written to the Mexican attorney general 's office .
Sgt . Jill says he accidentally crossed into Mexico on daily . He had 100,000 weapons with him and was arrested in California on a weapons charge . His mother and lawmakers are urging State Department to get involved . Lawmakers have also written to the Mexican attorney general 's office .