When I first saw the body cam video of then-University of Cincinnati Police Officer Ray Tensing shooting motorist Sam Dubose, I was taken aback. It made no sense for a relatively friendly, even jovial, conversation to devolve so quickly into a brutal shooting. Even after covering policing issues and violent crime for two decades, it was shocking. But something about it did not seem right.

It started with prosecutor Joe Deters’ statement that there was “no threat” to Tensing from DuBose. Yet it was obvious DuBose had pulled away from Tensing and started his car. A lethal threat, justifying deadly force? Perhaps not. But certainly he was an actively resisting suspect.

In fact, according to Deters and other self-appointed experts like the New York Times‘ Charles M. Blow, the video proves that Tensing’s account was a lie. Here is Blow’s expert analysis: