March 5, 2013. 
New York City Loitering Settlement
A class action lawsuit alleges that the City of New York, acting through the New York City Police Department (NYPD) and the District Attorneys Offices (DAO), wrongfully charged thousands of people for violations of three New York state loitering laws.

Who decided in this scenerio if it's no particular reason?

On May 30, 2013 Chicago, Illinois residents go harassing letters of individuals loitering.

Who decided in this scenerio if it's no particular reason?

What is loitering?

What is your answer?