Editor's note: This has been updated with Franklin & Marshall College and School District of Lancaster stating their schools were not the locations of the shooting. Penn Medicine Park staff closed ...

NEARBY UNIVERSITIES THAT SIGNED THIS LETTER INCLUDE DICKINSON COLLEGE IN CARLISLE, BUCKNELL IN LEWISBURG, SUSQUEHANNA UNIVERSITY IN SELINSGROVE, AND ALSO FRANKLIN AND MARSHALL COLLEGE IN LANCASTER.

He also attended Franklin and Marshall College, Columbia University, Western Maryland College (now McDowell) and the University of Maryland. He was a member of the following organizations ...