Complex sentence: At the same time, Jim is given a ride by police Captain Esteridge, but, having no confidence in the police to contain Ryder, he suddenly takes the officers' gun and vehicle from him, and chases after the prison bus.
Split into simpler sentences: At the same time, Jim is given a ride by police Captain Esteridge. Having no confidence in the police to contain Ryder, Jim suddenly takes the officer's gun and vehicle from him and chases after the prison bus.