Alex saw what they were doing. It was rare that they ever managed to lure an unsecured target back to the farm and he didn't want them damaging her before he got his hands on her. He pressed a button on an intercom that was also wired throughout the house. "Hey! No damaging the goods! I still want to perform an examination and I want her in perfect health!" he protested the knife-threatening Danica's approach. Sure, most of the test subjects chose 'flight' instead of 'fight' when their adrenaline was pumping, but one never did know just what kind of reaction a person would have to this situation. Tara might turn out to be suicidal and fight to the death.