Ten-year-old Izzy Walker is one of the people featured in our story The Needle in the Family Tree: After Danielle's Fall. While she has been so helpful in allowing us to understand what it's like to lose parents to overdose, Izzy is so many more things than what we could share in the story. She worked with the Post-Gazette to show us more about who she is and what’s important to her by photographing her life as an alphabet and writing captions for the photos. View The Gallery >