so, this panel discussion is going on enforcement and we'll touch on the three,es mentioned by jack fleck and now we'll talk about rather than how our city is built we'll talk about how we remind people to follow the rules. um... so joining me today are officer keith mathews from the police department who is responsible for the spot program, safe passive travel and education and enforcement around construction sites. representing the police department and traffic company also known as company -k we'll have sergeant pat toben rather than sergeant that's off trafficking the torch today. tough day for the police department. we're also joined by mary holland the m.t.a's parking enforcement agency. she's been with the city since 1979 when she started as a parking patrol officer and assists in the management of day-to-day operations of her division, planning and a ministering work and activity office senior parking patrol officers and officers engaged in parking enforcement and intersection control. last but not least we're joined by deputy or sorry, district attorney paul henderson that will h