The agent and relatives of a former professional football player who was named as the only suspect in a mass shooting that killed five this week are speaking out. Philip Adams, 32, a former NFL player, was identified by law enforcement officials as the man who gunned down a doctor, his wife, their two grandchildren, and a worker on April 7 in Rock Hill, South Carolina. Adams, who lived about a quarter-mile from the home where Dr. Robert Lesslie and his family were found dead, was himself found dead at the house he shared with his father, authorities told reporters in a press conference on Thursday. They said the motive in the shooting is not clear as of yet. “We’ve gathered a lot of information. We have a lot more information to gather as to the why,” York County Sheriff Kevin Tolson said. Adams died from a self-inflicted gunshot wound, according …