Shooting took place at the Luis Felipe Hernandez Castillo station in graffiti . Balderas , 38 , had been writing central Mexico City . When police tried to stop him he drew a gun and began firing . Witnesses heard Balderas yelling anti-government slogans .
Shooting took place at the Balderas station in central Mexico City . Luis Felipe Hernandez Castillo , 38 , had been writing graffiti . When police tried to stop him he drew a gun and began firing . Witnesses heard Hernandez Castillo yelling anti-government slogans .