Does the trial of a sentence enhancement allegation under California's Street Terrorism Enforcement and Prevention Act in a unitary proceeding with the underlying criminal offense violate the right to a fair trial guaranteed under the Fourteenth Amendment to the U.S. Constitution?

QUESTION PRESENTED 1. Does the trial of a sentence enhancement allegation under California’s Street Terrorism Enforcement and Prevention Act in a unitary proceeding with the underlying criminal offense violate the right to a fair trial guaranteed under the Fourteenth Amendment to the U.S. Constitution and did it do so in this case? i STATEMENT OF RELATED CASES * People v. Mark Andrew Zavala, Scott Alan Hensley, Jonathan David Rodriguez, No. CC813723, Superior Court of California for Santa Clara County. Judgment entered September 8, 2010. * People v. Mark Andrew Zavala et al., No. H036028, California Court of Appeal, Sixth District. Judgment entered October 22, 2013. * People v. Mark Andrew Zavala et al., No. S214895, California Supreme Court. Judgment entered February 11, 2014. * ~~ Mark Andrew Zavala, Scott Alan Hensley, and Jonathan David Rodriguez, No. 13-10181, U.S. Supreme Court. Judgment entered October 6, 2014. * Mark Zavala, AE8159 v. Mark Biter, Warden, No. C 15-2247 (CRB), U.S. District Court for Northern California. Judgment entered April 8, 2016. * In re Mark Andrew Zavala, No. CC813723, Superior Court of California for Santa Clara County. Judgment entered November 17, 2017. * In re Mark Andrew Zavala, No. H045449, California Court of Appeal, Sixth District. Judgment entered August 3, 2018. * In re Mark Andrew Zavala, No. 8250552, California Supreme Court. Judgment entered October 10, 2018. * Mark Zavala v. Kim Holland, Warden and Mark Biter, Warden, No. 16-15984, U.S. Court of Appeals for the Ninth Circuit. Judgment entered April 16, 2020. ii