There is suspicion he was recognized by somebody (Muslim?) and stabbed in an act of revenge. He reportedly is in critical but stable condition at the hospital following surgery.
U.S. Air Force Airman First Class Spencer Stone shakes hands with the crowd during a parade honoring his August 21 actions in overpowering a Muslim terrorist on a Paris-bound train on September 11, 2015.
Air Force Times Airman 1st Class Spencer Stone, who helped take down a Muslim terrorist gunman on a train in Belgium, was stabbed four times in the chest in Sacramento early Thursday morning, Air Force Times has learned.
Stone suffered “multiple stab wounds to the torso,” KCRA‑TV reported. Police initially did not think the stabbing victim would survive and began treating the incident as a homicide investigation, but it now appears that the victim will pull through.
“He is alive and in stable condition at this time,” the Air Force said in a statement provided to NBC News. “We do not have any information as to the events preceding the incident.”