In times of tragedy, these trained dogs offer a form of emotional support.
HuffPost Live takes a look at the wonderful life of 21st century pets. From strollers to outfits, we speak to pet parents about going the extra mile to make their furry babies feel loved and about the unconditional affection they get from their pets.
Casey wasn't the most popular dog in her owner Carol Baird's neighborhood. She had a heart of gold but a nose for trouble. So when a man rapped on Carol's door, said he lived three blocks away and then asked for her dog's name, Carol braced herself.