David explains this very clearly:
If you wish to politely share your opinion of what has happened with Leicestershire Police and Leicester City Council - these are the mail addresses:
For the Chief Constable - Simon.Cole@leicestershire.pnn.police.uk
For the unit which employs Bill Knopp: email@example.com
For the Mayor of Leicester: firstname.lastname@example.org
Email Leicestershire Police Prevent Team or Call 0116 248 6726.
Email the Leicester, Leicestershire and Rutland Prevent co-ordinator or call 0116 273 3459