Gloria Serge, 85, was walking her dog by a lake in the Spanish Lakes Fairways community in Fort Pierce, Florida on Monday when an alligator attacked her.. The terrifying moment was captured on video ... A frightened neighbor who witnessed the horror made the distressing 911 call .... New video shows the terrifying moment an alligator lunged at a woman walking her dog by a lake in her Florida community, dragging her to her death. ... Gloria Serge, 85, died after she was mauled to death by the 10-foot gator when she tried to rescue her beloved dog, Trooper, from...