Police: Man Walks Through BWI Checkpoint With Knife, No Boarding Pass

BALTIMORE (WJZ) — Investigators say a man with a knife managed to walk through a TSA checkpoint at BWI Thurgood Marshall Airport with no boarding pass on the eve of Fourth of July.
Maryland Transportation Authority Police say 23-year-old John Hill had a small knife and no boarding pass when he was stopped on July 3.
Our media partner The Baltimore Sun reports Hill was trying to open a secured door when airline employees realized he did not have a boarding pass.
Investigators