Convicted Fort Hood gunman Nidal Hasan has been forcibly shaved.

In a statement issued Tuesday, Army spokesperson Lt. Col. S. Justin Platt said Hasan had was shaved in order to be subject to Army regulations. This is significant because a dispute over Hasan’s right to wear a beard as an expression of his Muslim faith led to over three months of delays in his court-martial, which ultimately resulted in the ouster of the original judge set to preside over the case, Col. Gregory Gross. Col. Tara Osborn, the judge who presided over the trial, allowed Hasan to keep his beard, but warned him that it could have an effect on how jurors perceived him.

Hasan, now an inmate of the U.S. Detention Barracks at Fort Leavenworth, Kansas, was found guilty in August of carrying out the November 5, 2009 attack on Fort Hood that left 13 dead and 30 wounded.

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