(December 15, 2016, 10:53 AM EST) -- CHICAGO — A trial judge did not err in allowing testimony from a cellphone record expert that placed a man at the location of illegal gun purchases in one state with illegal sales in another state, the Seventh Circuit U.S. Court of Appeals affirmed Dec. 9 (United States of America v. David Lewisbey, No. 14-2236, 7th Cir.; 2016 U.S. App. LEXIS 21935)....