Under the standard clearly established by this Court in Jackson v. Virginia, can a rational juror find an essential fact beyond a reasonable doubt based on the mere say-so of a gang officer expert?"

QUESTION PRESENTED Under the standard clearly established by this Court in Jackson v. Virginia, ! can a rational juror find an essential fact beyond a reasonable doubt based on the mere say-so of a gang officer “expert”? 1443 U.S. 307, 318 (1979). ii CONTENTS PETITION FOR WRIT OF CERTIORARL 0... crete dL CONSTITUTIONAL PROVISION INVOLVED . cece L REASONS FOR GRANTING THE WRIT ou. errr A A. The Ninth Circuit’s decision sanctions the state court’s egregious reliance on conclusory opinion testimony and unjustly perpetuates Flores’s mandatory life sentence. . 4 1. The mere say-so of a “gang expert” is not entitled to any weight under Jackson. .iccecc