Mining products liability and First Amendment law, a district judge in Connecticut found no grounds to sue the makers of the Mortal Kombat video game in the stabbing death of 13-year-old Noah Wilson four-and-a-half years ago.

The child was killed with a kitchen knife by Yancy S., a playmate who Wilson’s mother charged was “addicted” to the gruesome interactive video game in which pairs of joystick-controlled gladiators battle to the bloody end.