Shortly after completing a national exam that would certify him as a master counselor in 1995, David Covington took a phone call from a distressed middle-aged man. “He was calling me to basically tell the world goodbye,” said Covington, of Magellan Health Services, which contracts with the Arizona Department of Health to serve as the regional behavioral health authority for Maricopa County. “He had a shotgun and was going to shoot himself.”