An autopsy showed that a Washington State Patrol trooper who died Aug. 6 near Chinook Pass suffered a heart attack, according to the Yakima County Coroner's Office, reports the Yakima Herald-Republic .
Brent Hanger, a 47-year-old WSP detective from Mount Vernon, was part of a statewide drug task force investigating a report of an illegal marijuana grow when he was stricken.


