Complex sentence: At the motel, Parker is having second thoughts on the kidnapping, he confers with Longbaugh outside the motel room which gives Robin an opportunity to seize a shotgun and barricade herself in the motel room after almost shooting Parker.
Split into simpler sentences: At the motel, Parker is having second thoughts on the kidnapping. As he confers with Longbaugh outside the motel room, Robin takes the opportunity to seize a shotgun and barricade herself in the motel room after almost shooting Parker.