They could play it rough when they thought they had too. Remember how they set up some of those executions.
7 seconds sound clip from the Cannibal Holocaust movie soundboard.
You can hear this line at 01:04:29 in the Blu-ray version of the movie.
Quote context
[...]
- This way that buck will go slow enough to take us right to the village.
- Well, what do you think Professor?
- It's not the best way of establishing peace with the Yacumo tribe.
- I'm beginning to understand why they greeted us with such hostility.
- Do you think this is bad? This is nothing. Alan did much worse. Just watch.
- Here we are at the end of the world in human history.
- Things like this happen all the time in the jungle. It's survival of the fittest.
- In the jungle it's the daily violence of the strong overcoming the weak.
[...]