The use of close-circuit video footage in a film has a way of suggesting a crime. The images from a ceiling surveillance camera of the basketball star Brittney Griner approaching the screening machinery in the Sheremetyevo International Airport in Moscow and, a short time later, of the security officers working their way through her baggage offers a case in point. Only the crime in the “ The Brittney Griner Story ” — an ESPN “30 for 30” documentary that premiered at the Sundance Film Festival —