Sherra Wright, the ex-wife of recently killed longtime NBA player Lorenzen Wright, is the subject of police scrutiny in Memphis, MyEyewitnessNews.com reports. Two neighbors tell the web site that homicide investigators searched Sherra Wright's house because she started a fire in her backyard the night her ex-husband disappeared, on one of the hottest days of the year. Neighbors also say she recently was part of a suspicious conversation in her front yard. Wright vanished on July 19, and he was found dead on July 28.