GREEN BAY, WI (WTAQ) - Brown County law enforcement, fire, and EMS are holding a 12-hour vigil in honor of 411 first responders, firefighters, police and Port Authority officers that lost their lives on 9/11. 

The memorial will begin with a short service at 9 a.m. Sunday in front of the Neville Museum in downtown Green Bay. 

At least one person representing various departments from around the county, will stand in half hour increments to honor those who perished, with a reading of all the victims names by the end of the memorial.