Last Boston Marathon Victim Out of Hospital Do Leaked Photos Prove Pistorius Crime Scene Was Tainted? Critics say footprints seen in leaked photos prove police did not wear protective foot covers. Tim and Paul Samaras, colleague Carl Young killed while covering Oklahoma tornado. Veteran Storm Chasers Killed by Tornadoes Tim and Paul Samaras and Carl Young were tracking a powerful EF-3 tornado when they died. Michael Douglas Says STD Cause of Cancer Actor told the guardian newspaper his throat cancer was caused by a sexually transmitted disease. Girl, 10, Denied Lung Transplant Due to Age Policy Parents of Pennsylvania girl challenge organ donor and transplant rule to save daughter's life. Roundtable I: This Week in Politics Arianna Huffington, Gwen Ifill, Karl Rove, David Plouffe, Paul Gigot. Fired Oscar Pistorius Detective Says Shooting Was Intentional Investigator once at the center of the South African murder case speaks out in Vanity Fair interview Oscar Pistorius Murder Case: New Video of Reeva Steenkamp Amy Robach reports on footage that has surfaced from the night of the shooting. Pistorius Girlfriend's Parents Talk About Her Tragic Death The parents of the model allegedly murdered by the Olympic runner talk about her death. Lung Transplant Patient Gets Donor From Same Hospital Florida woman, 48, was matched within four days of being put on a double lung transplant waiting list. Pia Zadora Reclaims the Stage Entertainer talks new show, Twitter and Frank Sinatra. California Teen Swept Over Yosemite Waterfall Aleh Kalman, 19, missing after he went for a swim but was pulled over the 594-foot Nevada Fall.