Complex sentence: However, Adams figures out Lantano was behind the deaths as part of his plot to bring down Brose, in desperation and fear, he joins up with St James, who discovered a cache of artificial organs, and flees into the Tom Mix tank with him.
Split into simpler sentences: However, Adams figures out Lantano was behind the deaths as part of his plot to bring down Brose. In desperation and fear, he joins up with St James, who discovered a cache of artificial organs, and flees into the Tom Mix tank with him.