Fort Hood Shooter Nidal Hasan Writes Chilling Letter to Islamic State Leader

Fort Hood shooter Nidal Hasan authored a chilling letter to the Islamic State terror group's leader, asking to be admitted as a "citizen" of the caliphate.

The undated 2-page letter, obtained by Fox News, was addressed to “Ameer, Mujahid Dr. Abu Bakr al-Baghdadi.”

This undated file photo provided by the Bell County Sheriff's Department shows former Army psychiatrist Maj. Nidal Hasan. (AP Photo/Bell County Sheriff's Department, File)

"I formally and humbly request to be made a citizen of the Islamic State,” Hasan wrote.

[sharequote align="center"]"I formally and humbly request to be made a citizen of the Islamic State."[/sharequote]

"It would be an honor for any believer to be an obedient citizen soldier to a people and its leader who don't compromise the religion of All-Mighty Allah to get along with the disbelievers," he added. 

Hasan killed 13 and injured more than 30 at the 2009 Fort Hood shooting. The Obama administration classified the massacre as an incident of "workplace violence."

Hasan's attorney, John Galligan, told Fox News that the letter "underscores how much of his life, actions and mental thought process are driven by religious zeal."

An entire transcript of the letter was not immediately available.

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