. >> general peter correlly now retired took over as vice chief of staff in 2008.suicide rate had doubled since 2001. and he was tasked with battling the epidemic. >> i would be very, very careful in not underestimating the impact of 13 years of war on an all volunteer force. i think we were seeing in those suicide numbers some of the effect of repeated deployments and high stress and trauma. >> to better understand the issue, correlly was briefed on the details of every single suicide that occurred during the four years that he was the army's number two officer. in 2010, a eureka moment. >> i do want to express our thoughts and condolences. >> admiral michael mullen, then chairman of the joint chiefs of staff had sent a memo to the top braz. >> working with a really high risk population of people who could submit suicide had lowered their suicide rate to zero for a three-year period, solely by recommending to people who were in crisis to separate themselves from their privately owned weapons. that was striking to me. >> but when he tried to institute it in the arm