. >> yountville mayor, john dunbar, showed us around what was once the pathway home in yountville. >>pical set up. >> but, the live-in treatment center for service members suffer with the suffering from ptsd now sits empty, shut down after this serene setting became the scene of unbelievable horror back on march 9. >> he was discharged two weeks ago. >> that's when a gunmen burst into the building, taking hostages, and ultimately killing pathway's executive director, christine volker, clinical director jennifer golic , and clinical psychology -- psychologist -- who was six months pregnant. >> we lost three amazing women that they. they were friends and colleagues. and we all feel-i think very personally everyday. >> dunbar, who sits on the pathway board of directors says, after the deadly attack, there was just no way this program could continue without its core group of clinicians. and, staying in this space would have been far too difficult. >> it is not really comfortable to be in here, to be honest. >> authorities say the killer, an army veteran and former pathway patient, stormed