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2 results for “Sylvia Olivas, aka Sylvia Lee Gavaldon”

Case Title Lower Court Docketed Status Tags Question Presented
25-6125 Sylvia Olivas, aka Sylvia Lee Gavaldon v. United States Ninth Circuit 2025-11-14 Denied dual-role-testimony evidence-admissibility expert-witness gatekeeping-role rule-403 rule-702 A witness who testifies as a lay witness offering either factual testimony and/or lay opinion testimony and also testifies as an expert offering exper…
23-6177 Sylvia Olivas, aka Sylvia Lee Gavaldon v. United States Ninth Circuit 2023-12-06 GVR circuit-split criminal-activity criminal-procedure expert-testimony expert-witness federal-rules-of-evidence mens-rea mental-state trier-of-fact Does Rule 704(b) permit a government expert witness to testify about certain roles in criminal activity, that people in those roles are knowing partic…