The suspected gunman behind the horror mass shooting that killed three family members and left another critically injured at a rural property in North Queensland is in custody.
Police have charged a 59-year-old man with the murders of three people who were gunned down at their rural property in the Whitsundays and the attempted murder of a fourth man.
Queensland Police have revealed new details about the shooting in a rural town that left three members of the same family dead and another critically injured.