At least 27 died in one of the worst disasters ever for summer camps. The tragedy shines a spotlight on America's camps and whether they're safe.

We're starting off with analysis of new satellite images that show the extent of the damage caused by deadly flashing flooding in south-west Texas. It has killed more than 100 people including at least 27 at a Christian summer camp.

In 1987, sudden and intense rainfall caused the river to surge at an unprecedented rate in mid-July, leading to a tragedy that killed 10 campers at Pot O' Gold Christian Camp, a summer camp near Comfort, Texas. The campers drowned when their bus attempted to evacuate them and was overtaken by floodwater.