The Ishbal Massacre

Plot:

As the Strong Arm Alchemist holds off Scar, he realizes that the killer is from Ishbal. Meanwhile, as Ed, Al and Doctor Marcoh make their way through the village, the Doctor recounts the Ishbal Rebellion and how he and the other State Alchemist were ordered to level the entire city using the Red Stones. The events still haunt Marcoh, Mustang, and Armstrong to this day.