The Dipylon vase is from the Geometric period, from Ancient Greece.
Explanation-
The Dipylon Master was an ancient Greek vase painter who was active from around 760–750 BC. He worked in Athens, where he and his workshop produced large funerary vessels for those interred in the Dipylon Gate cemetery, whence his name comes. His work belongs to the very late stage of the Geometric Style.
look for evidence like time dates witnesses and other evidence like hair blood or others also check the stores cameras and make sure he did not hire anyone.