Persecute people who throw animals away to the fullest extent of the law

My niece found a tiny 4 week old puppy in a dumpster, during a Texas frost, and there are more happening all over, videos of kids throwing puppies and kittens in a trash heap or in a body of water and it's sickening. No remorse, some even think it's funny, any and all life is precious and should be protected, make these cruel people realize this