Consider China's social credit scoring system.

China Social Credit System, Punishments and Rewards Explained (businessinsider.com)

1) Does it have the potential to reduce criminal activity, and the need to imprison people who have violated the law?

See also

How China's Mass Surveillance Works - YouTube and Upsidown on Twitter: "RT ValaAfshar "RT TheEconomist: China is setting up social-credit systems to encourage its citizens to behave better https://t.co/eUDAnmcsFJ https://t.co/QGJtjRoUOC"" / Twitter

2) Given recent advances in information technology, should the US implement a similar system in the US?

3) Explain whether such a system could deter criminal activity, and reduce the need for prisons.

4) What are the implications for privacy rights?