NEW : Harpham lived alone in a mobile home or modified mobile home on a 10-acre tract in rural Stevens County , and the closest large city is Colville , Washington , Ormsby said . Kevin Harpham , 36 , who lived alone in a rural mobile home , is ordered held without bail . A man accused of killing his wife and her two children was found dead inside the family's trailer on Saturday morning after he allegedly shot himself to death with an AR-15 rifle. A backpack bomb was found along a Martin Luther King Jr. parade route in Spokane .
NEW : Kevin Harpham , 36 , who lived alone in a rural mobile home , is ordered held without bail . A man accused of killing his wife and her two children was found dead inside the family's trailer on Saturday morning after he allegedly shot himself to death with an AR-15 rifle. A backpack bomb was found along a Martin Luther King Jr. parade route in Spokane .