An Associated Press investigation has found that, repeatedly over 15 years, Detroit police failed to follow up on leads or take investigative steps that may have averted a killing spree (Dec. 21)(AP video: Mike Householder)

Associated Press investigation finds missteps by Detroit police allowed a serial killer to roam free

An Associated Press investigation has found that, repeatedly over 15 years, Detroit police failed to follow up on leads or take investigative steps that may have averted a killing spree (Dec. 21)(AP video: Mike Householder)