Too many owners of dogs refuse to contain their animals. A four foot chain link fence absolutely will not contain a big dog. If your dog gets loose and attacks someone blame yourself. Many of the vicious dogs here are owned by citizens involved in the recreational pharmaceutical business. Most don't wear collars. Pit bulls sans collars run all over the place. Police here very often fail in efforts to identify the owner of an attacking dog. Many of the people who keep these dogs have little or nothing of value. Don't expect the owners insurance to pay your hospital bill if that person can be located. Dog fighting is still somewhat popular in parts of Oklahoma. A pit bull from a fighting line is very dangerous. Our sheriff's office generally don't handle dog calls. Sheriff encourages citizens to handle dog problems. If i killed someone's dog that posed no threat a deputy would likely write me up. At our rural properties i sometimes see dog photos on game cameras. The Great Pyrenees belonging to a sheep raising neighbor often show up on camera; they are big pussycats. The dogs belonging to a hog hunter who has permission to hunt our property sometimes show up on camera. Those dogs ignore everything except hogs. Sometimes stray dogs in that area without collars show up. An aggressive dog gets shot.