>>832
その say は、said の typo でしょうね。その一節を含む記事には、別の内容だとは言っても似たような次のような文章もあり、そこでは
said となっています。

In March, a 26-year-old tourist was arrested after police ★said★ they found him
in possession of 33 stones and three pieces of marble, which he had earlier
removed from the archaeological site, according to the Greek City Times.
https://www.insider.com/tourist-tried-to-steal-marble-from-acropolis-arrested-athens-police-2023-9#:~:text=A%20Romanian%20tourist%20was%20arrested,pieces%20from%20the%20archaeological%20site.