Answer:
stop-and-frisk programs that disproportionately target ack and Hispanic men
Step-by-step explanation:
Unconstitutional discriminatory government practice is a form of practice sanctioned by government officials but targets the minority. Specifically based on racial discrimination and sometimes gender.
Hence, in this case, the best example of an unconstitutional discriminatory government practice in action is: "stop-and-frisk programs that disproportionately target Black and Hispanic men."