 The Workers Union, which represents the 300 people who clean bathrooms and empty trash cans, pick up hypodermic needles and broken glass, clear downed trees and debris from paths and a whole lot more, had filed an unfair labor practices charge against the Park Board and Superintendent Al Bangura. Here's A.J. Lang, the business manager with Local 363. They've sent numerous threatening emails to workers. They've threatened to take away our seniority.