discussed Cited "see, e.g." State v. Boudoin “Competence of an expert witness is a question of fact to be determined within the sound discretion of the trial judge; h[er] rulings on the qualifications of expert witnesses will not be disturbed in the absence of manifest error.” State v. Higgins, 2003-1980 (La.4/1/05), 898 So.2d 1219, 1239-40 (citing State v. Drew, 360 So.2d 500 (La.1978)); see also State v. Mosley, 08-1318 (La.App. 5 Cir. 5/12/09) , 13 So.3d 705, 714 , writ denied, 2009-1316 (La.3/5/10), 28 So.3d 1002 .