For the record, I am glad your Squeaker is going to pull through. It is a shame that the event happened.
However, looking at your municipal code, I apologize that I am not quite certain of my ability to link yet, I would show you this:*
It shall be unlawful for any person to fail to keep any animal under restraint which is owned by or in the custody or control of such person.
Restraint means any animal which is on a leash or at heel or beside a competent person and obedient to that person’s commands, or within a vehicle being driven or parked on the streets and roads of the city, or in a fenced area within the real property limits of the owner (if zoned R-1, R-2, R-3, R-4, RMH or PUD), or within the property limits of a RAG zone. Invisible fence systems are allowed if they are maintained in good working order and keep the animal contained. The primary means of restraint within the property may not be by means of a chain, cable, rope or other stakeout or tieout device.*
Based on this, even though you are clearly a responsible pet owner, you were violating the law when Squeaker ventured over to sniff the bird feeder.
Of course this doesn’t excuse the fact that neighbor shot Squeaker. However, I am not sure that your neighbor necessarily broke the law. I would have to see how the municipal code (I couldn’t find it) defined rifle. But the Georgia State Code, which the municipal code seems to defer to a lot only includes guns with a certain aperature that specifically excludes bb guns and pellet guns and it defines firearm as a gun that shoots by the use of a chemical or electrical process, neither of which fit the gun in question.
I am saying this not to make you angry, but to try to see if you realize you are not necessarily in the right and screaming that it’s illegal over and over again doesn’t make it so. Your neighbor seems like a decent sort other than the cat shooting and I am glad he/his wife are taking responsibility. Again, Squeaker did not deserve to get shot, but since she did, it appears your neighbors are being honorable.
Sorry, for this being so long, but also, I grew up in the country, very often stray dogs would come over onto our property, about 10 acres fenced with barbed wire, and attack our dogs. We would often have to use bb guns or pellet guns to drive them off. Every one in a while an angry “neighbor” would come by and yell because his/her dog’s butt had been shot while on our property. Generally we knew what all the neighbor’s dogs looked like and would simply call the neighbor or if the dog wasn’t mean or unpredicatble we would go stop the fight. Sometimes however, dogs from 1-2 miles away would show up or the dog would appear unfamiliar. Therefore, it got shot. We too tried to keep the shot to a sting, but we did what we had to do if yelling didn’t serve to break up the fight. this might have been your neighbor’s mentatilty and yes I guess it’s a bit different if it’s a cat.