At the end of HBO’s “The Yogurt Shop Murders,” an absorbing four-episode documentary about a very cold case — the 1991 killing of four teenage girls in an Austin, Texas, strip mall — Sonora Thomas, the sister of one of the victims, talked about how it could help survivors to “tell the story over and over again.” It was a statement about trauma and memory. It also could serve as a rationalization for the invasive spread of the true-crime documentary series. In this case, though, everyone had the

Tag-uri: HBO