The mystery surrounding former “Alaskan Bush People” star Matt Brown is only growing more complicated ... because authorities say they've suspended their search for an unidentified male seen in Washington’s Okanogan River. According to the Okanogan County Sheriff’s Office ... deputies, Washington Department of Fish and Wildlife personnel, divers, sonar teams, boats, personal watercraft, and even a cadaver dog spent Friday searching an expanding section of the river near Oroville, WA. Despite