Agree with mapman. Some turntables (my basis Ovation. for example) have a suspension system capable of essentially eliminating the need for a complex isolation stand, but some (my old original Well Tempered TT, to a lesser extent, but many inexpensive TTs) could be susceptible to outside vibrations and benefit from a dedicated stand. I had an old table that would transmit footsteps when I walked across the floor until I put it on a wall-mounted stand, which solved the problem. There are, of course, other ways to deal with the problem, some more effective than others.
lalitk: I think that the OP probably has a job writing for the National Enquirer, hence his choice of sensationalist titles for his threads.