The National Rifle Association and others call violent video games a spark for real-life brutality.
But those urging increased scrutiny of the industry because of reports that such video games enthralled the Sandy Hook Elementary School shooter should look to previous efforts. Scholars warn that past attempts to regulate the industry fell flat, sometimes on free- speech grounds.
Research links violent gaming with aggressive tendencies, but no studies definitively peg them as a cause of fatal attacks, researchers said.
"I wouldn't be surprised to see different legislatures or different politicians introducing measures, trying to see if we can have more studies of kids and …