Support WBURThe 'Thumbprint Of The Culture': Implicit Bias And Police ShootingsPlay38:10Download AudioJennifer SchmidtTara BoyleShankar VedantamMaggie PenmanRhaina CohenRenee KlahrJune 05, 2017 ShareIn the aftermath of a police-involved shooting, there's often a familiar debate about what led to it. But research shows there's an underlying cause that we often miss. (AFP/Getty Images)