falconer errorglossary / FALCONER ERROR Falconer error. A trial court’s failure to instruct the jury that a guilty finding on a manslaughter charge requires acquittal on a murder charge. Falconer v. Lane, 905 F.2d 1129 (7th Cir. 1990). 词条贡献者 资深译员姚坚,国际知名语言学院法律翻译专业,擅长翻译各类与主权诉讼,仲裁及债务解决相关的法律文件。