FILE - In this Aug. 14, 2006, file photo, former San Diego Chargers football player Junior Seau smiles during a news conference announcing his retirement from pro football in San Diego. Police have responded to a report of a shooting at the Seau's home in Oceanside, Calif., Wednesday morning, May 2, 2012. (AP Photo/Sandy Huffaker, File)
SAN DIEGO (AP) -- The San Diego County medical examiner's office has ruled Junior Seau's death a suicide.
The autopsy says Seau died of a gunshot wound to the chest.
The medical examiner's office says it is awaiting a decision by the family on whether to turn over Seau's brain to unidentified outside researchers for study.
Seau died Wednesday in his home in suburban Oceanside.