this shit might sound real wack but its what i found on like a goverment spot so this could be what they're looking for
How to Spot a Tagger
clothing is baggy; hoodies and baseball hats
pants with pockets for felt markers (cargo pants are ideal)
backpack full of spray paints and graffiti tools
out late at night and early morning; taggers work mostly under the cover of darkness from dusk to dawn
graffiti/doodling on personal items (school books, skateboards, under the brim of baseball hat, etc.)
graffiti and hip hop posters up in room and read graffiti magazines
have a wide variation or markers and spray paint for graffiti
multiple spray can heads: "caps", "fat", "skinny" refer to interchangeable spray can nozzles to allow for various spray width and coverage
has a sketch book ("piece" book) for practice
schoolbooks have repetitive scrawling (graffiti) and/or cartoon-like drawings on them
"racking" the graffiti term for stealing; shoplifting spray paint, markers, or graffiti supplies
carries camera to photograph graffiti
;) let's not get caught