Suicide Prevention Conference Karin Orvis, director of the Defense Suicide Prevention Office, and David Carroll, executive director of the Office of Mental Health and Suicide Prevention at the Department of Veterans Affairs, address the audience at the 2019 Department of Veterans Affairs/Department of Defense Suicide Prevention Conference in Nashville, Tenn., Aug. 28, 2019. SHARE IMAGE: Download Image: Full Size (2.1 MB) Photo By: Courtesy photo VIRIN: 190828-D-ZZ999-001C.JPG Photo Gallery