WEST ALLIS, Wis. (AP) -- A Wisconsin woman and her adult son were killed in separate traffic crashes just hours apart in a Milwaukee suburb, police said Monday. Mary J. Moore, 45, died after she was struck by a vehicle on a street in West Allis. A friend was speeding her son, Thomas M. Olson, 22, to the hospital to see her when he struck three parked cars and overturned, West Allis Deputy Chief Charles Padgett said.