Forgers and fraudsters trusted him for decades — but he was an undercover FBI art detective

A founding member of the FBI’s Art Crime Team, Ronnie Walker’s elaborate sting operations often saw him posing as a dealer, authenticator or buyer of stolen paintings.

​ A founding member of the FBI’s Art Crime Team, Ronnie Walker’s elaborate sting operations often saw him posing as a dealer, authenticator or buyer of stolen paintings. Read More Breaking News, Latest News and Videos | CNN