Complex sentence: The next morning however, they are intercepted by Mrs. Carmody, who destroys the supplies and orders her followers to kill David and the non-believers, but is quickly gunned down by Ollie, causing almost all of her horrified followers to come to their senses.
Split into simpler sentences: The next morning however, they are intercepted by Mrs. Carmody, who destroys the supplies and orders her followers to kill David and the non-believers. She is gunned down by Ollie, causing almost all of her horrified followers to come to their senses.