From the Coalition Against Insurance Fraud, a group of 240 organizations that work together to educate consumers, undertake research, and lobby for anti-fraud legislation.
The FBI's Elder Fraud alert page, with information about common types of scams, how to protect yourself from scammers, and how to report scams (regardless of the amount of money involved).
From the Association of Certified Fraud Examiners (ACFE), with links to their Fraud Talk podcast, Insights blog, Fraud 101 definitions, and additional Free Resources.