Criminologist Ron martinelli was retained as an expert witness by the new mexico attorney general on behalf of the state police. His task was to work backwards from the shooting, reconstructing the hours before they confronted angel navarro. Martinelli had a phrase he used: "Every case is different," which i began to realize was his operating principle. To descend into the particular you have to assume that the specifics, the details of the case in question matter. Id like to reporter on artteatra, come ona. This is what he believes angel nevaro did. He drops his girl friend off, and he's in a parking lot, and he gets out of