I got into cyphers and made this. Learn something new every day. There is a coded message

I used this so much as a kid!
"Fuckin nerd"

I got into cyphers and made this. Learn something new every day. There is a coded message at the bottom.
(TITLE FROM NEIN SITE)

E p s t e i n
D i d n t
K i l l
...
would could it mean???

It's not exactly right tho, for the square one the dots are always aligned at the bottom right corner, whereas it shoud be ab. l c.d l .ef and for the second line the dot should be a bit higher, and at one of the top corners for the last line.