articleUPDATE: Douglas Dunning was found safe, according to Brookfield police. The Brief A Silver Alert has been issued for a missing Brookfield man on Sunday, August 2. A Silver Alert has been issued for a missing Brookfield man on Sunday, August 2. Police said 78-year-old Douglas Dunning was last seen leaving his home for a walk on Saturday night, August 1. Missing manWhat we know:Douglas was last seen in Brookfield wearing a long-sleeved burgundy polo shirt, gray slacks and white Nike tennis shoes.