Fear is an effective factor in altering behavior.

I'm not saying people should go out and start killing," the California-based Vlasak says. But he's not saying activists shouldn't kill either, even though he's a doctor, devoted to mending people. "There's a lot of violence used against animals" Vlasak rationalizes. And some of those responsible won't stop, he says, "until they are forced to stop.

There are two main goals behind ALF actions. The first is obviously to remove as many animals as possible from fur farms, vivisection labs, and other areas of abuse. The second is to cause as much economic damage to these industries and persons as possible.

If (a particular researcher) won't stop when you ask nicely, when you picket in front of his house, or when you burn his car, maybe he'll stop when you hit him over the head with a two-by-four.

This is historically what happens whenever revolutionaries begin to take the oppression and suffering of their fellow beings seriously, whether human or nonhuman. It's regrettable that certain scientists are willing to put their families at risk by choosing to do wasteful animal experiments in this day and age.

Things are picking up...It's not going to make this thing go away... don't think you're going to find anybody deterred...There's a lot of people willing to die for the cause.

If killing [animal research scientists] is the only way to stop them, then I said killing them would certainly be justified.