...we need a location within the building...and all I have back so far...is footage of a floor...quite high up....about the 4th floor maybe....and an open plan office....where the initial investigation had begun....and yes I can remember now...a BI team had 'gone in'...but did they find 'whateveritwas'...let me guess...

the bank's 'tubes'....and a sort of 'computer'...?
https://www.google.co.uk/search?biw=1821&bih=768&tbm=isch&q=cillit+bang+and+the+dirt+is+gone&sa=X&ved=0ahUKEwisnIHBnvrOAhVMCCwKHcLUD6MQhyYIHQ&dpr=0.75&cad=cbv&bvch=u&sei=S3XOV7vyEsy6swHytp-ACA#tbm=isch&tbs=rimg%3ACV3iGDb2BO2sIjj2MFaqCaqsJu4sYxzzW-sXKaqNqGTm-0-ScanBTgx3ftHZzfaKpT2QLBoNCWBoUOawTeQMDceFqCoSCfYwVqoJqqwmEdzxCMVw-tmLKhIJ7ixjHPNb6xcRp83cMJPyIT4qEgkpqo2oZOb7TxERIzUyHKvX-yoSCZJxqcFODHd-EXrHkHA-Q0GtKhIJ0dnN9oqlPZARC6fWtUGGpUsqEgksGg0JYGhQ5hHC8jGOL69K4ioSCbBN5AwNx4WoEez6j447aZhU&q=cillit%20bang%20and%20the%20dirt%20is%20gone&imgdii=cGm3StF6jiGZeM%3A%3BcGm3StF6jiGZeM%3A%3BnsBJtBc1iG5JLM%3A&imgrc=cGm3StF6jiGZeM%3A

who knows eh? but somebody will do...having coded out a location...

http://youfacebookclip.com/search.php?q=cillitbanguk