Mealey's (February 5, 2019, 11:42 AM EST) -- NEW ORLEANS — A trial court properly allowed a Texas state trooper who witnessed and investigated a fatal tractor-trailer crash to offer expert opinions on the cause of the accident, a Fifth Circuit U.S. Court of Appeals panel determined Feb. 1 without reaching the question of whether “an accident investigator can serve as an expert at all” (Alexandro Puga, et al. v. RCX Solutions, Inc., No. 17-41282, 5th Cir., 2019 U.S. App. LEXIS 3346)....