Well this isn't exactly what you might think, but I have the following information based on what I consider good authority. Still, it's without a shred of hard evidence. I am bringing it up now before the Watchtower Society tries to sell off the particular building in question.
Here's the story I heard: During the 1980's, one of the construction crews directed by the Watchtower Bible and Tract Society was digging in the foundation area around the initial site of one of the buldings they currently own in Brooklyn Heights, New York. (Construction is now complete on the building in question.) The same crew came upon some human remains (bones) along with some artifacts which made them initially suspect they had chanced upon an Native American burial site. Others thought that it was much more likely the bones were from a 17th or 18th century "African-American" slave burial site. The few workers who were aware were asked, I'm told, for their complete silence about this discovery because of the delays that the City of New York would undoubtedly enforce upon the building project. It was suggested that this discovery might even put a complete stop to the building project. Although these are not quotes, the cooperation of the construction crew, I'm told, was clearly spoken of in terms similar to the following: "Let's make sure we don't say anything that might stand in the way of the work Jehovah wants us to accomplish. We all know how important this work is in our day."
I'm not trying to break a story here. I'm looking for another person or persons who can corroborate the story I have heard. I am especially looking for eye-witnesses. I'll treat it completely anonymously if you have only heard about the story. If you are an eyewitness, I will treat the story as you wish, but with the request that we can at least discuss (with an attorney present, if you will allow) a way of publicizing the story to any legal extent possible under the protections offered to journalists. I am not a journalist, but will be happy to recommend one. Also, I will pay all legal fees and transportation fees for all consultations prior to release of the story (or permission to release the story). If you are serious, PM me and I'll provide initial contact information.