Traveler from Missouri stabbed to death and his wife critically injured in attack at Nebraska highway rest area CBS NewsNebraska I-80 rest stop knife attack leaves Missouri man, 72, dead and his wife critically injured Fox NewsVictims identified in deadly I-80 rest stop stabbing KSNBMan killed, woman seriously injured in knife attack at I-80 rest area in Nebraska KLKN72-year-old traveler killed and his wife injured in stabbing at rest area, authorities say KOLD