Felony death by vehicle case where the trooper accident reconstruction expert who analyzed the accident could not reach a conclusive expert opinion about who was driving. An officer provided lay opinion testimony based on the same information. The court concluded: “the facts about the accident and measurements available were simply not sufficient to support an expert opinion — as Trooper Souther testified — and lay opinion testimony on this issue is not admissible under Rule 701.” The court found the error was prejudicial and ordered a new trial.
A School of Government blog post on this case is available here.