How Could Ball Lightning Cause the Death of the Three Dogs?

If the orbs were ball lightning, they could have been blowing around in the wind when ronbecker's daughter saw them. Some display an affinity for metal objects, and may move along conductors such as wires or metal fences. This could explain why the orbs seemed to swerve towards a car that was moving at 85 miles per hour - which could have helped it build up an electrical charge rubbing against the air. If the three dogs were simultaneously trying to attack the blue orb, then one of them makes contact with the orb, and being an electrical phenomenon, it electrocutes them and kills them. Or even if the dogs aren't in physical contact with each other, the electricity from