Substance abuse and addiction are closely correlated with trauma, and a population rattled by guns and grenades can take longer to find peace than negotiations themselves.

It said toxic substances had been used in drone attacks as well as in combat grenades.

Anderson and McDonald were placed under surveillance which eventually led officers to a house in the Garthamlock area where a machine gun, grenades and ammunition were discovered.

On the night of the government’s collapse, residents ransacked the buildings, scattering tattered uniforms, spent .50-caliber ammunition rounds, boxes of rocket-propelled grenades and burnt vehicles before the rebels were able to restore order.

The associate warden issued riot gear and masks to the guards, who quelled the riot with tear gas, pepper spray, and “flash stun” and “multi blast” grenades, the document says.