A deadly shooting involving a Pierce County Sheriff’s Department deputy is under investigation Friday. The shooting happened at about 10:30 a.m. near 112th Street East and Portland Avenue East near Midland. Deputies initially responded to a call about threats, and they followed a man who was carrying a grenade on the train tracks. The man crossed over 112th Street East when “shots fired” was called over the radio, according to Pierce County Sheriff's Sgt. Darren Moss. Moss said the sheriff’s department’s bomb team assembled to disable the grenade following the deadly shooting. Read more: https://www.king5.com/article/news/local/pierce-county-deputy-shooting/281-729519de-dbb4-4812-bb48-eb817446c044