ALBANY, N.Y. — A disability rights advocate made a complaint to New York State Police saying he was shoved twice in the state capitol building by state Sen. Kevin Parker, a Brooklyn Democrat with a history of violent behavior.

Michael Carey said his confrontation with Parker took place Wednesday after he approached the senator before a committee meeting and asked him to cosponsor a piece of legislation. Parker lost his temper, Carey said, after the advocate described the legislation as…