The cell phone cannot be searched (without warrant - similar to a house) unless there is cause to believe that searching will prevent a serious crime from occurring in the near future (such as a terrorist attack, murder, etc.)
I believe the answer is: The laws and traditions lived on, flourishing through the Byzantines who lived in the East.
The Byzantinne was the once a part of The territory of the Roman empire on its eastern front. During the peak of it's glory, the Byzantinne empire adopt the majority of laws and tradition of the roman empire, which make many historians see them as a fragments of the roman empire.
