Her deliberate parking in the middle of the road and blocking the agents work was another big mistake, lots of things throughout the timeline of this incident will build up a picture that led up to the shooting.
She didn't park in the middle of the road. She parked parallel with the killer's car. She didn't block the agents. Her wife just videoed them. This fits in with the description as 'observers'. The video I posted in the article just above makes everything much clearer.
