>> For her part, Herring’s mother believes police had the right suspect in Williams. She blames ShotSpotter for botching the case by passing on, then withdrawing what she called flimsy data.

Regardless of the other aspects of this story (the ones to do with policing, justice, and technology) the fact that we heard nothing from Herring's mother and her conviction about the Williams' guilt reeks of emotional manipulation from this article.