Bobby Turnbull's anti-gun campaign

• What was Bobby Turnbull anti-gun campaign about ?

  Some of his family members were killed by Michael Atherton who LEGALLY owned 6 weapons
• Why did Bobby Turnbull start his anti-gun campaign ?

  To change gun laws
• Did Bobby Turnbull launch a petition ?

  Yes, gaining 20,000 signatures appearing in the media to seek support.
• What was the actual law of Bobby Turnbull's campaign ?

  Firearms act 1968, preventing person who receives suspended sentence of 3 months or more from purchasing a gun