Angry Jesus writes:
"The Chicago Police Department is mis-applying epidemiological science (the study of entire populations) to target individuals in a real-life version of Minority Report. They have decided that it is a good idea to put people on a secret list based on a Big Data analysis of their social networks. But don't worry, it isn't racist or abusive because, Science!"
What is here, in the open? You literally used 6 sentences without naming "it".
Gay sticks. "It" refers to cops going to specific peoples houses and touching them with this stick, which turns them gay.