Joseph Proctor , 32 , was killed at a military checkpoint in Guerrero state . Asked if she had heard reports that her son had fired at the Mexican military , she answered , `` I 've heard that . There are conflicting reports as to whether the man fired at the military first . The Mexican government has said that it is investigating and will take appropriate action against those responsible for his death.
Joseph Proctor , 32 , was killed at a military checkpoint in Guerrero state . There are conflicting reports as to whether the man fired at the military first . The Mexican government has said that it is investigating and will take appropriate action against those responsible for his death.