Pop goes the weasel

Cross, Alex (Fictitious character) > Washington (D.C.) > Fiction.

Psychologists > Washington (D.C.) > Fiction.

Serial murders > Washington (D.C.) > Fiction.

Diplomatic and consular service, British > Washington (D.C.) > Fiction.

Taxicab drivers > Washington (D.C.) > Fiction.

Psychopaths > Washington (D.C.) > Fiction.

Trials (Murder) > Washington (D.C.) > Fiction.