03/18/2010 05:12 am ET | Updated May 25, 2011

Hasan's Supervisor Warned Army In 2007, Claimed He Could "Put Patients In Danger"

Two years ago, a top psychiatrist at Walter Reed Army Medical Center was so concerned about what he saw as Nidal Hasan's incompetence and reckless behavior that he put those concerns in writing. NPR has obtained a copy of the memo, the first evaluation that has surfaced from Hasan's file.

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