A 27-year-old Frederic woman has been charged with operating under the influence and reckless driving after a killed a man in late March, according to Michigan State Police.
Troopers say on March 31, Riggs was driving a pickup truck west on Thumb Lake Road and attempted to pass another car in a double yellow zone when she lost control and ran off the ice-covered road, hitting a large tree.
The passenger of the truck, David Runser, 37, of Frederic, was pronounced dead at the scene while Riggs was taken to the hospital for non-life threatening injuries.
According to Michigan State Police, Riggs admitted to smoking marijuana prior to the crash, and a blood draw tested positive for active Tetrahydrocannabinol (THC).
Riggs has been charged with one count operating under the influence causing death and one count reckless driving causing death. Each charge faces a maximum penalty of 15 years in prison.