NYPD Says Vandals Covering Subway Trains With Graffiti May Not Be New YorkersRecently, several trains had to be taken out of service after they were covered top to bottom in paint.
Former NYPD Commissioner Bratton Says Recent Graffiti Subway Vandalism 'Outrageous'It has led to serious questions about the security of the trains and who is patrolling underground. 
Exclusive: Graffiti Vandals Strike Again, Hit 'E' Train In Lower ManhattanThe Metropolitan Transportation Authority says the vandalism is happening out of sight of cameras and cops.
Demanding Answers: Graffiti Of Entire Subway Train Raises Questions About SecurityTransit officials are at a loss to explain away a devastating video of an F train defaced from one end to the other - top to bottom, doors, windows, everything - covered in graffiti. 
Washington State Man Charged With Spray Painting Grand Army Plaza ArchPolice said 36-year-old Denis Shelagin used a lift around 12 p.m. Sunday to access the Soldiers and Sailors memorial near the entrance to Prospect Park.
Brooklyn Subway Train Covered In Graffiti, MTA Says Clean-Up Will Cost ThousandsSocial media has been buzzing about it since the eight cars were spray-painted in Bushwick sometime on Sunday.
Vandals Cover Subway Car With Graffiti On Halloween NightPolice said vandals struck a D train at the Norwood 205th Street subway station in the Bronx.
New York's Graffiti Hall Of Fame Celebrated On National Art DayCBS2's Laura Podesta visits the Graffiti Hall of Fame in New York with one of the pioneers of the art form.
Individual Wanted For Allegedly Spray Painting Anti-Gay Graffiti In The East VillageThe incident is being investigated as a hate crime.
Q Train Cars Covered With Graffiti While Parked OvernightThe incident is now raising concerns about security when subway cars are out of service. 
Martha Cooper Talks 'Martha: A Picture Story' & NYC Graffiti CultureCooper discusses the documentary about her life and explains how graffiti culture impacted New York City.