Douglas Adam Barnett was 32 when he was killed in Memphis, Tennessee, on July 1, 2018. The case was investigated as a homicide.

A suspect, Shundale Barnett, was arrested and initially charged with first-degree murder, attempted first-degree murder, accessory after the fact, and theft of property. Those charges were later dropped by the District Attorney’s Office, which determined Shundale Barnett was not involved in Douglas Barnett’s death.

The sequence from arrest and multiple charges to dismissal drew public attention and illustrates how investigations can change as evidence is reviewed. What information might help clarify who was responsible for Douglas Barnett’s death?