mark adams, linda beckett and austin davis. >> i ran outside and i saw mark adams performing cpr. i relieved mark and then austin ran out. >> austin just kept providing cpr. he did not give up until emergency services had arrived, george's heart had stopped for 28 minutes. >> oh, good grief. >> wow. >> so, you can imagine just how grateful this family is that these people kept george alive. >> so, the next day, their daughter jodie decided to come back to the street where that call came from. she spots the man, austin davis said, hey, my dad had a heart attack here. he's in the hospital, she's still alive. >> this man burst out crying and started screaming. the man's alive, everyone, the man's alive. >> i have chills. is this so amazing. >> everyone, she said, came out of the house to celebrate. that house is known as the champ house. it provides transitional housing for homeless people. mark and linda are members at this house. austin is one of those homeless people that live there. he's been homeless for two years. they wanted to make a huge impact in his life. and they started

mark adams, linda beckett and austin davis. >> i ran outside and i saw mark adams performing cpr.mark and then austin ran out. >> austin just kept providing cpr. he did not give up until emergency services had arrived, george's heart had stopped for 28 minutes. >> oh, good grief. >> wow. >> so, you can imagine just how grateful this