Complex sentence: The people of Haven City had grown distrustful of Jak and his mysterious dark powers and as rumors spread of Jak's affiliation with Krew and Kor, the populace targets him as the cause of its unrest.
Split into simpler sentences: The people of Haven City had grown distrustful of Jak and his dark powers. As rumors spread of Jak's affiliation with Krew and Kor, the populace targets him as the cause of its unrest.