UPDATE, 11:50 a.m.: All clear: Suspect apprehended and is in custody.
UPDATE, 11:45 a.m.: Suspect has now removed the scrubs and is in a bathroom somewhere in TJ. officers are searching.
A white male, approximately 28 years old and dressed in blue paper scrubs, was last seen in a stairwell at Thomas Jefferson Hall. Students in TJ Hall are advised to secure in place: go to your rooms and lock the door until the all-clear is given. Anyone seeing the suspect should call 911 immediately.