Christopher David Grindstaff whipped out a high velocity air rifle and picked off the unmanned aircraft as it hovered above the Hoover Ponds recreation area earlier this week, authorities said.
Shane Dixon Kavanaugh | The Oregonian/OregonLive, Portland Oregonian: Local
Thu, 10/19/2017 - 3:53pm
Christopher David Grindstaff whipped out a high velocity air rifle and picked off the unmanned aircraft as it hovered above the Hoover Ponds recreation area earlier this week, authorities said.