The person that was responsible for genocide was?

I don't think there is a answer to that question because the genocide is a particular group of people that have the same trait also of some kind and I think there's so many genocides on Earth presently but we don't know if so the answer might might not be sure of

  senate   possesses the power to review and debate bills, treaties, and proposed legislation and to provide some oversight to the president's administration.
mainly its function, along with the house of reps is to make  and approve laws.