I recently heard a story from the protagonist, which is as good an indicator of truthfulness as any I know of.
A young South African gay Jewish man got HIV, in the days when getting HIV was essentially a death sentence. The young man's doctor didn't know whether he should tell him or not, so he asked everyone he knew, including, as it turns out, the Lubavitcher Rebbe. Now, I'm not sure exactly what they told the Rebbe, but I do know what the answer was: "Tell him he's got it." Or something along those lines.
What does this mean? I'm not sure. I guess it's not a surprise that the Rebbe dealt with questions like this, and I don't know that I'd expect a different answer, but still. It has to mean something, right?