Complex sentence: Dean Norris had asked Gilligan to kill off his character during the first half of the season after being cast in a comedy pilot however, Gilligan declined his request, citing the importance of Hank in the final eight episodes.
Split into simpler sentences: Dean Norris had asked Gilligan to kill off his character during the first half of the season after being cast in a comedy pilot. However, Gilligan declined his request, citing the importance of Hank in the final eight episodes.