This five day advanced course provides the law enforcement observer/marksman with detailed instruction and realistic live fire field exercises on the fundamentals and principles of advanced rifle marksmanship and advanced employment techniques of the observer/marksman. Moving targets, "snaps", live fire "stalk", hostage scenarios using 3D moving targets requiring surgical shooting techniques, limited visibility operations, engagements, through transparent barriers, stress "cold barrel" engagements, memory exercises, extended distance, and unknown distance steel target engagements are practiced by the student.