Exclusive: DHS civil rights office opened investigation into Mahmoud Khalil’s arrest days before office was dissolved

The Department of Homeland Security’s oversight arm opened an investigation into the controversial arrest of Palestinian activist Mahmoud Khalil only days before officials working for that office were placed on administrative leave, according to a whistleblower disclosure exclusively obtained by CNN.

​ The Department of Homeland Security’s oversight arm opened an investigation into the controversial arrest of Palestinian activist Mahmoud Khalil only days before officials working for that office were placed on administrative leave, according to a whistleblower disclosure exclusively obtained by CNN. Read More Breaking News, Latest News and Videos | CNN