“Allen contends that Agent Fox’s testimony regarding the link between the gun found at the motel and drug trafficking was simply a subjective lay opinion and not an expert opinion. Agent Fox received education and training in the field of narcotics trafficking. He has considerable experience in the field, working as a police officer for 26 years and with the DEA for 13 years, and has investigated over two hundred drug cases. His opinion was also based on a full examination of the police reports, which included the statements of the witnesses as well as the police officers present at the scene.
We conclude that the district court properly found that Agent Fox was a qualified expert in the field of narcotics trafficking and that his opinion was reliable and relevant …
Fed. R. Evid. 702 advisory committee’s note (… ‘[i]n certain fields, experience is the predominant, if not sole, basis for a great deal of expert testimony.’).”
Appeal from the United States District Court for the Southern District of Illinois, Stiehl, J., Bauer, J.