See the following literature study in a 2015 article by Giora Rahav,
Yoram Rabin, and Eppi Yuchtman-Yaar:
The presence of biases in the judicial process has occupied Israeli
investigators since the late 1970s. In 1978, Haj-Yahya, Rahav and
Teichman showed that Arab juvenile delinquents received harsher
dispositions than Jewish delinquents. They argued that ...
In the U.S., municipalities are extensions of the state government. As such, with very, very few exceptions, if someone has committed a crime subject to the authority of the local District Attorney, they have also committed a crime under state law.
As a consequence, that state's attorney general and their department may elect to bring charges under those ...