Since Crimestoppers began, there have been more than 120 thousand arrests and charges.
In our region alone, it took more than 4,000 calls last year. It became a national charity in 1988, but was founded five years earlier in Great Yarmouth.
Watch Malcolm Robertson's report on its 30th anniversary...
More top news
A drug and alcohol abuse charity has warned a new law making psycho-active substances illegal won't necessarily solve the problem.
This weekend's show is the first to take place there since new rules came into force after the Shoreham aircrash.
The family of two little girls who were left paralysed following a crash say they will never forgive the driver who caused the collision.