Complex sentence: Cosmo (Ben Kingsley), bitter over being abandoned by Martin, reveals that he developed ties with an organized crime family while incarcerated, using his hacking skills for their benefit, and was thus able to escape prison and become quite wealthy.
Split into simpler sentences: Cosmo (Ben Kingsley), bitter over being abandoned by Martin, reveals that he developed ties with an organized crime family while incarcerated. Using his hacking skills for their benefit, their influence helped him escape prison and become quite wealthy.