The City of Joliet Police Department issued the following announcement on May. 7.
May 9-15 is National Police Week. Every year @JolietPolice honor those Officers across the nation who have paid the ultimate sacrifice while serving their communities, including our own; DeLong, Weiss, Murphy, Barney, Loscheider, Hopkins, Murrin, & Walsh. #NationalPoliceWeek
Original source can be found here.
Source: The City of Joliet Police Department