Leo was a more than just a pet to Michelle Spadafora. The toy poodle was also a comfort to those around him, including Michelle's partner, Gabriella. After Gabriella was diagnosed with a rare cancer that caused her to suffer frequent infections, they learned Leo could detect the issues ahead of time. It was a skill Leo put to use with others as well. Tragically, he died recently in a dog attack. InsideEdition.com's Leigh Scheps (http://twitter.com/LeighTVReporter) has more.