In this part, they knew the story behind the evil:

The moment was very dreadful, they screamed and runs away from the house. But their speed was not more than those ghosts. Sam was caught by the ghost and to save the sam, matt helped him. The Police fire the gun but the fire was useless in front of the ghost.
They returned to their camp, they were damn scared. They were packing everything and planning to leave the forest.
"We lost Neil. I am dejected. " said...