We've put together a triple bill of Columbo episodes with South London links: Short Fuse (1972), Dagger of the Mind (1971) and Swan Song (1974).
Short Fuse (1972) which features Herne Hill's Roddy McDowall as the murderer, the London-set Dagger of the Mind (1972), and Swan Song (1974) where Johnny Cash kills South Londoner Ida Lupino.