WTF is THIS Graffiti BS???

In all of the apartments I have lived in, someone has gone out of their way to come and write some stupid numbers and letters in some stupid math formula on my wall . I can hardly see how this is acceptable or ok in ANY way. And if they don't use the polite writing instrument of white chalk, they will use a pen or pencil and maybe if you are lucky, a felt pen.

Now I KNOW I'm not the only one they do this to because all of my neighbors have it on their walls as well. But WTF??? And right next to my entrance door???? Do you know what the hell paper is???

My guess is that it is some gov't agency that is vandalizing apartments and houses and that this is somehow acceptable???? If you read my blog, and know me, you will understand that this pisses me off in more ways then one.

The best part is that I'm sure these dudes are ninjas because even though they are writing on everyone's walls like every month or two, I HAVE NEVER SEEN THEM DO IT. They are extremely lucky that they have gotten away unseen. Because I tell you,...... I am a trained Ninja myself and they would surely perish if I were to catch them.

If you know what the dealio is with all this graffiti wall writing, then please share. And if you've taken one of these graffiti ninja's out, please be so kind as to tell me how you did it, as it would please me greatly.

Thank you.