A Baltimore woman was arrested after trying to carry a 9mm caliber handgun past a security checkpoint at Baltimore Washington International-Thurgood Marshall Airport Thursday.
The gun was loaded with six bullets, officials said.
It marked the third gun that TSA officers have detected at BWI so far this year. Last year TSA officers detected 16 firearms at the airport.
The gun was found by TSA officers among the woman's carry-on items as she was passing through the security checkpoint.
The woman has not been publicly identified by officials.
Travelers who bring firearms to the checkpoint are subject to possible criminal charges from law enforcement and civil...