Grant County Bombings  | Cold Case Files | Episode 6

Grant County Bombings | Cold Case Files | Episode 6

From Help Me Hayley: Cold Case Files by NonStop Local

June 8, 2026 · 18 min

About this episode

This episode examines the unsolved bombings in Grant County that killed two men in 2008.

In August 2008, two Grant County men were killed just hours apart after unknowingly plugging in devices that had been rigged to explode. William "Bill" Walker, a retired electrician, found a battery charger outside his shop and brought it inside. When he plugged it in, the device exploded. Less than 10 hours later, Javier "Harvey" Adame was killed when an explosive device hidden inside a police scanner detonated inside his home. The victims appeared to have no connection. Investigators from the Grant County Sheriff's Office, FBI, and ATF determined the devices were likely built by the same person, but nearly two decades later, no arrests have been made and no suspect has been publicly identified. Why were these men targeted? Were they the intended victims? And who planted the deadly devices that terrorized a rural Washington community? In this episode of Cold Case Files, NonStop Local examines one of the most baffling unsolved murder investigations in Inland Northwest history. If you have any information regarding the deaths of William Walker or Javier Adam, contact the Grant County Sheriff's Office at (509) 754-2011. Watch the Help Me Hayley cold case podcast now on the NonStop…

People in this episode

Host: Hayley

Topics covered

  • unsolved murder
  • explosive devices
  • investigation
  • Grant County
  • cold case
  • true crime

Keywords

  • Grant County bombings
  • cold case
  • William Walker
  • Javier Adame
  • explosives
  • murder investigation
  • true crime

Mentioned in this episode

Organizations: Grant County Sheriff's Office, FBI, ATF

Places: Grant County, Washington

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