FORT HOOD (AP) — A terrorism consultant says the Army psychiatrist charged in the Fort Hood shooting rampage visited terror groups’ websites before the 2009 attack.

The judge in Maj. Nidal Hasan’s case will decide if Evan Kohlmann will be an expert witness at the trial starting in May.

Kohlmann acknowledged at Wednesday’s pretrial hearing that he couldn’t prove Hasan listened to terror leaders’ sermons that were downloaded onto his laptop.

Kohlmann said Hasan watched a news broadcast containing audio of Osama bin Laden. Defense attorneys played the video where a journalist talked about bin Laden’s audio message.

Hasan is charged with 13 counts of premeditated murder and 32 counts of attempted premeditated murder in the shootings at the Texas Army post.

Hasan, an American-born Muslim, faces the death penalty if convicted.

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