Julie Smith. Tourist Trap (1986) 230 pp.
Lawyer-sleuth Rebecca Schwartz attends an Easter sunrise service only to make the unpleasant discovery that the large cross at the improvised altar is graced by a crucified corpse ... a tourist from Phoenix! And he’s only the first to die. A man identifying himself as the Trapper is out to destroy San Francisco’s tourist trade by killing visitors. When the cops arrest an innocent man, Rebecca goes undercover to find the real killer.
Setting: San Francisco