A male nurse, Gerard Grange, recalled that a policeman showed him a cupboard containing nine corpses and told him that marchers had been thrown into the river by police squads.
"A car is stuck in the river!" I thought of the old TV show "Emergency!" and the way Squad 51's banal fire-station goings on were always interrupted by alarms and bursts of activity.
The river bends, making it difficult for a coach to keep an eye on his squad and ensure its safety.
As patrons head to the back of the establishment they can find the story rooms, which are virtual reality enhanced escape room-like experiences where would-be adventurers can explore secret Aztec temples, hurtle through space and explore strange new worlds in the game "Space Squad in Space", or try to survive a trip down a haunted river in the bayous of Louisiana.
The £1m royal barge, which was central to the river pageant during the Diamond Jubilee in June, was rowed by 16 crew, chosen from a squad of 28 on-board rowers on the day.
When hundreds of kayakers, canoeists and independent rafters showed up, local fire and rescue squads set up a command post, and National Forest Service employees allowed the boaters down the river in stages.
Some of the first death squad leaders I filmed were these old men who took me to this clearing on the Snake river, where they had helped kill 10,500 people.
With several soldiers remaining in Aliabad with guns aimed at the opposite side, two squads and the officers crossed a narrow footbridge and reached a point where two branches of the river converge.
"We'd been pretty far off the pace for a number of years," said Terry Kempton, whose children, Leigh and John, are members of the Toms River squad.
RIVER TO RIVER, June 17-July 15.
