Sechel, I’ll save you the trouble: It’s Likutei Sichos Chelek 35, Sicha of Parshas Vayigash. Look at Note 6. The reason the Rebbe says about Dovid Hamelech applies to all dead people.
Now that I’ve demonstrated I know more about chabad than i originally let on, I would like a response on my posts about “creeping elokistism”.