In This Thoughtful Treatise Spurred By The 2015 Death Of African-american Academic Sandra Bland In Jail After A Traffic Stop, New Yorker Writer Gladwell (the Tipping Point) Aims To Figure Out The Strategies People Use To Assess Strangers-to Analyze, Critique Them, Figure Out Where They Came From, Figure Out How To Fix Them, In Other Words: To Understand How To Balance Trust And Safety. He Uses A Variety Of Examples From History And Recent Headlines To Illustrate That People Size Up The Motivations, Emotions, And Trustworthiness Of Those They Don't Know Both Wrongly And With Misplaced Confidence.