York County Sheriff Kevin Tolson speaks 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)

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 vehicle drives onto the property 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)

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)

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- In this Oct. 25, 2015 file photo, Atlanta Falcons defensive back Phillip Adams arrives for an NFL football game against the Tennessee Titans, in Nashville, Tenn. The gunman who killed multiple people including a prominent doctor in South Carolina was the former NFL pro, who killed himself early Thursday, April 8, 2021, according to a source who was briefed on the investigation. (AP Photo/Mark Zaleski, File)

York County Sheriff Kevin Tolson reads a statement from the victims' families 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)