Join the CTC forum as well, it's free to just be a forum member. There's a guy there, PC Frank I think, who is a copper with the Bristol Plod responsible for reducing bike theft in the area, probably a useful chap to get in touch with.
EDIT:
Found a link to his introductory post, he gives his PC number and the station he works out of.
http://forum.ctc.org.uk/viewtopic.php?f=36&t=26657
EDIT:
Found a link to his introductory post, he gives his PC number and the station he works out of.
http://forum.ctc.org.uk/viewtopic.php?f=36&t=26657