This scene, from 1974’s The Texas Chainsaw Massacre, only last 52 seconds but that’s all the time that it needs.  Leatherface makes his first appearance and, sadly, Kirk exits the film.

What makes this scene so effective is that, even though it’s obvious that something bad is going to happen, Leatherface still seems to pop up out of nowhere.  When he does kill Kirk, he does it so efficiently and without hesitation that there’s little doubt that this is just an ordinary day for him.  When Leatherface slams that door, what he’s truly saying is that he’s very busy and he’d appreciate it if people just stopped bothering him for an hour or two.

For his part, Kirk really shouldn’t have just gone into someone’s house uninvited.  That’s really not Texas manners.  That said, I do think Leatherface did overreact just a bit.  Killing a guest isn’t really an example of good manners either.