Overview

• Judd Sanson, 27, was arrested during a routine traffic stop in Queens, New York.
• Police found a 9mm Glock handgun, nine loaded magazines, two axes, multiple knives, and a stun gun in Sanson's vehicle.
• The vehicle also contained NYPD and NYC Transit uniforms, body armor, and a mask from the movie 'V for Vendetta.'
• Investigators are examining writings found in the car and on social media for potential motives.
• Authorities are investigating possible self-radicalization and emotional instability as factors.