联邦调查局调查了Raymond Russell 在1971 D. B. 库珀被劫持,但由于身体特征不相配和没有勒索赎金的机会,将他作为嫌疑人除名。 The FBI investigated Raymond Russell in the 1971 D.B. Cooper hijacking but eliminated him as a suspect due to mismatched physical traits and lack of ransom access.

联邦调查局调查了Raymond Sidney Russell, 他是来自挪威缅因州的一位前飞行员, 可能是1971年D. B.的嫌疑人。 The FBI investigated Raymond Sidney Russell, a former pilot from Norway, Maine, as a possible suspect in the 1971 D.B. Cooper劫机案 1972年接受采访后 Cooper hijacking, following an interview in 1972. 虽然罗素符合库珀的年龄,并具有相关的军事和航空经验,但关键的物理特征并不一致,他缺乏获得20万美元赎金的证据。 Though Russell matched Cooper’s age and had relevant military and aviation experience, key physical traits did not align, and he lacked evidence of access to the $200,000 ransom. 几个月后, 一份手写的FBI笔记标记他为"被淘汰", A handwritten FBI note months later marked him as “eliminate,” indicating he was no longer considered a suspect. 尽管公众和调查人士(包括研究员Ryan Burns)一直关注此事, 但FBI尚未确认Russell参与此事, Despite ongoing public and investigative interest, including from researcher Ryan Burns, the FBI has not confirmed Russell’s involvement, and the case remains unsolved.