Police Psychology

Read the Slate article, The Problem with “Suicide by Cop” by Josh Vorhees (2014). The link to the article is included below:
https://slate.com/news-and-politics/2014/08/suicide-by-cop-the-dangerous-term-that-stops-us-from-asking-hard-questions-about-police-shootings.html
What concerns does the author express about existing data on ‘suicide by cop’? Why does the author think the concept of ‘suicide by cop’ needs to be re-evaluated? What concerns does this article raise?