Help! I think I've seen a crime!

Is there immediate danger to anyone? - Yes - ring 999 No - ring 0300 111 0300

Have I seen something suspicious? Should I report it? - YES - ring 0300 111 0300

Do I want to be anonymous? - Ring Crimestoppers 0800 555 111

There is some information to help you with descriptions etc. on the Guide page.

If in doubt, report it. It just may be that last bit of the jigsaw and it just might save someone's agony.