Designed and sold by DeChant Consulting Services (DCS) Inc., Weighted Style Photogrammetric Markers (PM's) assist in measuring features points of interest. Noteworthy in their functionality, the PM's assist in fast and accurate camera orientation in iWitness to quickly image and measure a scene. PM's are used by law enforcement investigators and accident reconstruction practitioners across America. The combination of PM's affords very rapid and safe evidence mapping at the scene.