death toll has topped 22,000 according to the hamas-run health ministry. many gazans have lost multiple friends and family members. matt bradley with the story of one man who has endured so much in a very public way. a warning, some of what you're about to see is hard to watch. >> reporter: it's only one loss among so many. israel's killing of wael dahdouh's son echoes across the airwaves and beyond as the bureau chief, he's long been a witness to gaza's struggles. lately he's become a symbol of its sorrows. he was shifl rouse, he was generous, he was tender. but wael hasn't just endured this one loss. wael's wife, his grandson, his younger son and his daughter were all killed in an israeli air strike in october.