More than 100 cops in St. Louis and Philadelphia under investigation for offensive social media posts

More than 100 police officers in St. Louis and Philadelphia are now either on an "exclusion list" or have been placed on administrative duty while they are being investigated for offensive social media posts.

St. Louis’ top prosecutor added 22 names Tuesday to the list of officers banned from bringing cases to her office after a national research group accused them of racist and anti-Muslim posts on social media.

Read the full article by Janelle Griffith for NBC News Digital