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.
Jerry VlasakI think Dario Ringach is a poster boy for the concept that the use of force or the threat of force is an effective means to stop people who abuse animals," "No strictly peaceful movement has succeeded in liberation," "I think the animal rights movement has been restrained in its use of force, mostly because people in the struggle are often people of privilege who aren't willing to risk losing that privilege.
Jerry VlasakI 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.
Jerry VlasakThis 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.
Jerry VlasakI'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.
Jerry Vlasak