A white Ford F-150 that Michael Paul Brown is believed to have been driving was found on Friday. Authorities reportedly are now focusing their search in the mountains near Stumptown Road, west of Anaconda, where the shooting took place. A white Ford F-150 that Michael Paul Brown is believed to have been driving was found on Friday. Authorities reportedly are now focusing their search in the mountains near Stumptown Road, west of Anaconda, where the shooting took place.