The inconvenience and the suffering of any children or any family members pales in comparison to the suffering and oppression that goes on in these animal laboratories.

As far as the underground liberation movement, it won't have any impact at all because they don't really care about those laws. Their activities - sabotaging, liberating animals - are already illegal so just adding one more law won't make much difference.

Fear is an effective factor in altering behavior.

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.

I think violence is part of the struggle against oppression. If something bad happens to these people [animal researchers], it will discourage others. It is inevitable that violence will be used in the struggle and that it will be effective.

The University of California has been selected as the poster child of animal abuse at laboratories. It's been shown that the tactics are more effective if you just hit one person over and over and get them to quit what they're doing.

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.