A wandering alligator turned a backyard in Fulshear, Texas, into an unexpected wildlife rescue scene this week after officers found the reptile swimming in a homeowner's pool and eventually loaded it into the back seat of a patrol car. It was the second Houston-area video of a pool gator to emerge in just a week. What happened? Body camera footage shared by Fulshear police shows officers responding Wednesday to a home where an alligator had take…