UPDATE: 22-year-old Keithlyn Castille is the man Lafayette Parish Sheriff's deputies believe is responsible for causing the evacuation.

Castille is currently homeless and is known to frequent the Lafayette downtown area, UL campus and the Saint Streets.

He is approximately 6'1" tall and weighs 140 pounds.

An arrest warrant for Castille is for one count of Terrorizing.

Call the Lafayette Parish Sheriff's Office at 337-232-9211 or Lafayette Crime Stoppers at 232-TIPS if you have any information about his whereabouts.

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UPDATE: Lafayette Parish Sheriff's deputies say they need your help identifying the man in the pictures shown above. He is wanted for questioning in connection to the evacuation.

If you have any information, please call the Lafayette Parish Sheriff's Office at 337-232-9211 immediately.

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Lafayette Parish Sheriff's Office spokesperson Lt. John Mowell tells KPEL News that the Lafayette Parish Courthouse has been evacuated after a threat was made against courthouse personnel.

A large police presence is on the scene, which has been secured.

Fortunately, there are no injuries reported.

An employee at the Courthouse says they are closed until tomorrow.