Lorna Weafer, the 36-year-old Suncor instrument technician who was mauled and killed by a black bear ... Weafer was on her way back to work from a washroom when she was attacked by a large, male black bear while working at a Suncor oilsands site north of Fort McMurray, Alta., around 2 p.m. on Wednesday. She was declared dead on the scene. ... Mike Ewald, an investigator with Alberta Fish and Wildlife, said Weafer’s co-workers tried to scare the bear off using fire extinguishers, a water cannon and air horn — “all general things that should scare it off,” Ewald...