NEW : He credits Cassidy Stay with saving 20 lives by alerting authorities . NEW : Thanking the first responders , doctors and nurses who 'd helped her , the teenager said , `` I am feeling a lot better and am on a very straightforward path to a full recovery . '' He says she played dead after being shot , then told police others were in danger . The girl speaks out for the first time , after her parents and 4 siblings were killed . He quotes from Harry Potter : ` ` Happiness can be found even in the darkest of times ''
NEW : He credits Cassidy Stay with saving 20 lives by alerting authorities . NEW : He says she played dead after being shot , then told police others were in danger . The girl speaks out for the first time , after her parents and 4 siblings were killed . He quotes from Harry Potter : ` ` Happiness can be found even in the darkest of times ''