FILE - In this Oct. 17, 2010 file photo, San Francisco 49ers cornerback Phillip Adams (35) sits on the sideline during the first quarter of an NFL football game in San Francisco. A source briefed on a mass killing in South Carolina says the gunman who killed multiple people, including a prominent doctor, was the former NFL pro. The source said that Adams shot himself to death early Thursday, April 8, 2021. (AP Photo/Paul Sakuma, File)

FILE - This March 12, 2009 file photo shows Dr. Robert Lesslie in Rock Hill, S.C. Authorities say a gunman, identified as former NFL player Phillip Adams, killed Lesslie, his wife and grandchildren on Wednesday, April 7, 2021 in Rock Hill. Adams killed himself early Thursday according to a source who was briefed on the investigation. (John D. Simmons/The Charlotte Observer via AP)

York County Sheriff Kevin Tolson listens as a 911 call is played during a press conference on Thursday, April 8, 2021, in York, S.C. where he addressed the mass shooting by former NFL football player Phillip Adams. (AP Photo/Nell Redmond)

A York County sheriff's deputy is parked outside a residence where multiple people, including a prominent doctor, were fatally shot a day earlier, Thursday, April 8, 2021, in Rock Hill, S.C. A source briefed on the mass killing said the gunman was former NFL player Phillip Adams, who shot himself to death early Thursday. (AP Photo/Nell Redmond)