From "Sanford and Son: Will the Real Fred Sanford Please Do Something? (#3.20)"
[Grady, Lamont, Hoppy and Smitty stand in the living room with a drunk Betty looking them over, then addressing Officer Smitty
] Well, if you're not Fred Sanford, and neither one of them is Fred sanford,
[turns to Officer Hoppy
that leaves you. You're Fred Sanford
[comes over and hugs the startled policeman
Officer 'Hoppy' Hopkins
Oh, no, no, madam! I'm - she thinks I'm Fr - I'm of the Caucasian persuasion!
[She turns to Smitty
Officer 'Smitty' Smith
He's a white dude.