Complex sentence: Additionally, the strategy of changing the beat posture to one of mobility led to a back on foot patrols in favor of police cars, which also furthered Parker's belief that isolating his officers from the streets would reduce opportunities for corruption.
Split into simpler sentences: Additionally, the strategy of changing the beat posture to one of mobility led to change from foot patrols to one which favored police cars. Not incidentally, this also furthered Parker's belief that isolating his officers from the streets would reduce opportunities for corruption.