The help desk has been through quite a change, it's very hard to find a way to contact the staff directly.
I'm here to show you how to contact the DeviantART staff, This is how:
The URL above should direct you to a page with text pathing the image shown.
As an example, we're going to report a non-existent death threat, so in this case we should click on "Social Interaction". You should have to go through something similar from the other three.
As you progress through the "death threat" report you should see more drop-down menus like the one shown above, afterwards you should see something like this below it:
Don't see a way to contact the staff directly? Don't worry, it's there... Hidden on the very bottom of the web page at this point, so it should look like this: