Its claimed lessons have been learnt after serious failings meant vulnerable people in Lincolnshire were financially exploited for years.
The abuse was only uncovered in 2014 after a police officer started doing his own research and noticed a pattern.
A total of 34 adults were identified. Many were addicted to drugs or had complex mental health issues.
Today a report says the Council, police and NHS must work more closely together to better identify those at risk and get them help.