` It 's an illegitimate ( court ) process ( in Mexico ) . Sgt . Omar Tahmooressi says he accidentally crossed into Mexico on March 6 . He had three weapons with him and was arrested in Mexico on a weapons charge . His mother and sister are urging the State Department to get involved . Lawmakers have also written to the Mexican attorney general 's office .
Sgt . Omar Tahmooressi says he accidentally crossed into Mexico on March 6 . He had three weapons with him and was arrested in Mexico on a weapons charge . His mother and sister are urging the State Department to get involved . Lawmakers have also written to the Mexican attorney general 's office .