Complex sentence: Don Fortunato once managed to gain control of much of New York City's underworld in the absence of the Kingpin, and although Forunato seems to run a traditional Mafioso organized crime group, he is actually connected to the Maggia and the terrorist organization known as HYDRA.
Split into simpler sentences: Don Fortunato once managed to gain control of much of New York City's underworld in the absence of the Kingpin. Although Forunato seems to run a traditional Mafioso organized crime group, he is actually connected to the Maggia and the terrorist organization known as HYDRA.