What are some ways the Vermont Department of Corrections could have gathered accurate data? ? (2022 latest answers)

 What are some ways the Vermont Department of Corrections could have gathered accurate data? ? (2022 latest answers)

 What effect did their omission of data have o​‌‍‍‍‌‍‍‍‌‍‍‍‌‌‌‌‌‌‍‍​n the surrounding community?