Mercenaries had their own fighting styles. They cooperated, but loosely. They had a main fighting force, but the formation of the army not strictly set. Generally speaking, there was only very rough coordination of their fighting styles. It was just because of this rough structure that they were able to react fast to situations. When there was someone calling for help, the rest of mercenaries would join the fight immediately. It was easy for them to figure out who the enemies were.
When Ozzic took some of his guys to the jail, the town was already in chaos. People were yelling and screaming everywhere. Ozzic was a bit worried and sped to the jail. He found the jail door locked, and the guards had disappeared.