Fate of East Bay siblings charged with murder now in the hands of jury

Deputy District Attorney Ilana Shapiro ended her rebuttal argument Thursday in Solano County Superior Court by telling jurors that Jessica Yesenia Quintanilla and Marco Antonio Quintanilla had “a huge incentive” to dispute the facts of the case involving an Oct. 2021 killing of a 19-year-old Carmel woman.

Shapiro also said Jessica Quintanilla “orchestrated the coverup” of her alleged fatal shooting of Leilani Beauchamp in a Fairfield home.

Her statements, coming in response to final...