## [Haak, Derek R](/individual/derek-r-%20haak) ![](/sites/default/files/styles/square_500_x_500_/public/default_images/download%20%289%29%20%282%29_0.jpg?itok=5WstKkf1)Derek R Haak **[Berwyn Police Department](/illinois/berwyn-police-department)** 6401 West 31st Street Berwyn, Illinois 60402 [+1 708-795-5600](tel:%2B1708-795-5600) Additional Affiliations: **[Downers Grove Police Department](/illinois/downers-grove-police-department)** **[Forest View Police Department](/illinois/forest-view-police-department)** **[Hometown Police Department](/illinois/hometown-police-department)** **[McCook Police Department](/illinois/mccook-police-department)** **[Metropolitan Water Reclamation District of Greater Chicago Police Department](/illinois/metropolitan-water-reclamation-district-greater-chicago-police-department)** **[Morton College Police Department](/illinois/morton-college-police-department)** **[Oak Brook Police Department](/illinois/oak-brook-police-department)** **[Westmont Police Department](/illinois/westmont-police-department)** **[Willow Springs Police Department](/illinois/willow-springs-police-department)** [![](/sites/default/files/styles/max_325x325/public/default_images/depositphotos_8627182-stock-illustration-shield-symbol%20%281%29.png?itok=D9kYZhQ4)](/illinois/berwyn-police-department)