I was coming home from work just now it's 7/19/14, at 9:10 pm. I saw a square shaped flying object with lights on each end and had a flashing white light in the middle. It was moving about 100 ft above the tree line. There was about 6 or 7 Menomonee Falls Police squad cars out that I passed by at work heading my direction following it. They had no emergency lights on but all were headed the same direction. It was probably half the size of a football field I would imagine, not that gigantic. It was moving pretty fast, and made no noise as it moved. I'm definitely buying a dash cam now, and go pro now that this happened to me. This changed my whole view on UFOs.