Complex sentence: Risenhoover maintained that he was subject to certain cognitive disorders and should not be discriminated against on this basis, arguing that he was effectively in custody wherever he went, because he was unable to travel internationally without a passport.
Split into simpler sentences: Risenhoover maintained that he was subject to certain cognitive disorders and should not be discriminated against on this basis. Risenhoover argued he was effectively in custody, wherever he was, because he was unable to travel internationally without a passport.