In May 1863 , his forces captured Puebla after a protracted siege and then Mexico City as well .
Forey - given the fullest civil and military powers - and his troops landed in September 1862 in Veracruz .
In May 1863 , Forey 's forces captured Puebla after a protracted siege and then Mexico City as well .
Forey - given the fullest civil and military powers - and his troops landed in September 1862 in Veracruz .