Are Bridegroom and Bus 174 documentaries about the same subject ?
Bridegroom (film): Bridegroom (full title: Bridegroom: A Love Story, Unequaled) is a 2013 American documentary film about the relationship between two young gay men, produced and directed by Linda Bloodworth-Thomason. Bus 174:  The movie examines the incident and what life is like in the slums and favelas of Rio de Janeiro and how the criminal justice system in Brazil treats the lower classes.
i don't know