After stabbing their prey repeatedly, they removed the injured or dead animal and ate it.

“It was really alarming how forceful it was,” said lead researcher Jill D. Pruetz of Iowa State University in Ames, adding that it reminded her of the murderous shower scene in the classic Alfred Hitchcock movie “Psycho.”

This isn’t good. But where’s the ROTM tag?

"I just knew right away that she was making a tool,” Pruetz said, adding that she suspected - with some horror - what it was for, as well.

Right, because killing animals for food is just so barbaric.

I think you people worry way too much about the Simiam uprising.  Don’t you know it’s just a red herring to distract us from the real menace, The Grand Poobah and his diabolical feline army?

After stabbing their prey repeatedly, they removed the injured or dead animal and ate it.
Wow, that’s usually third date behaviour for me.

The Grand Poobah and his diabolical feline army?

Shouldn’t that be the diabolical farting feline army?