Some of the workers tried to flee into the woods, which suggests these are just dumb favela kids who not only couldn't remember to doublecheck the rope, they couldn't work out in their heads that fleeing makes them look a lot more like murderers.
They keep saying about the girl in Brazil they threw off the bridge that they โforgot the safety ropeโ as if it was an extra piece of equipment and not the entire point of the whole thing, like they didnโt attach any actual rope at all, they just threw her off with no hesitation.