oh I think that I can answer my own question now...things appear to have come full circle...see previous notes upon BIRBECK COLLEGE psychiatry department and that funny BBC cartoon....'dr walsh'....

https://en.wikipedia.org/wiki/Cyberman

is that supposed to be WALSH...ha ha ha...you see, on the cctv....he had knocked on a wooden table and said "knock on wood!"....the CID had picked up on it and asked "why?" at the time..."everything is important" etc etc...

http://www.bbc.co.uk/cbeebies/shows/messy-goes-to-okido

see previous notes upon MESSY GOES TO OKIDO....