The boy, Christopher Bizilj, of Ashford, Conn., apparently lost control of the Uzi machine gun while his father stood 10 feet behind him and an instructor assisted him.

The investigation is looking into whether there were violations of the state firearms law. "At this point in the investigation, I have found no lawful authority which allows an 8-year-old to possess or fire a machine gun," said District Attorney William Bennett in a press release.

The second focus of the investigation is whether it was "a reckless or wanton act to allow an 8-year-old to use a fully loaded automatic weapon," he said.