Parents who allow their child to place themselves in danger by "playing" with a realistic toy firearm can not expect every citizen to know what is a toy and what is an actual weapon when they are confronted by the child in what appears to be an assault.  It is unfortunate that we live in a time when children have access to real firearms that have made concerned that we must react to what we see as a child with a firearm before we consider it a child with a toy.