Arguments were heard in good faith. The forensic pathologist who diagnosed shaken baby syndrome in the case reported was absolutely sure he was right. Of that, at least, the prosecutor was certain. Shaken baby syndrome had been misdiagnosed according to the preponderance of testimony by experts sought out by both prosecution and defense. In this case lives were ruptured.
Science is about an open mind and good faith hearing of all the evidence which is proffered.
Now, needless to say, we would like you to go to the article and read the entire piece. The killing of children is a major social justice issue. And how, in fact, we determine that such a killing has occured is of major concern to the methodologies of many fields. But this is a newspaper article. And newspapers have different news every day.