READ Photogrammetry, an article by Cpl. David A. Templeton, Jr. from Evidence Technology Magazine. Evaluate how the Florida Highway Patrol (FHP) uses the photogrammetry software program iWitness. Describe the process by which the FHP uses two-dimensional (2D) pictures to generate three-dimensional (3D) information. How does iWitness save time as compared to older, traditional methods of crash scene investigation?