When people say aggressive dogs should be put to sleep, just show them this. Social behavior in canines is very similar to humans. A dog that’s raised in a caring environment with a family that loves him will show good behavior and will be approachable and friendly. Those dogs that have abusive owners who keep them locked up in cages or very small spaces will usually be aggressive and dangerous. Unfortunately those are the dogs that are usually euthanized when they get in trouble.
Now this case is very special, watch how the people at the The Behavioral Rehabilitation Center of the ASPCA helped a very troubled and anti-social dog transform into one of the most friendly dogs ever: