The programs have liability waivers and precautions to protect citizens. Background checks on prospective riders screen out ex-offenders and persons suspected of hostility toward police. Officers are encouraged to be conservative in exposing riders to potential risk of harm. Some officers do not allow riders out of the car. Other precautions are the required use of seat belts, instruction in the use of the radio, and briefing the rider on when to 'duck or run.' The programs restrict to four the number of rides a person may take per year, and each shift has only two riders. Riders report the experience to be moving and educational. It has also been an effective recruiting tool. Although most officers support the program, there is some resistance to intrusion on their work space. In a survey, officers voiced a preference for input in the selection of riders, more extensive preparation for riders, and voluntary officer participation in the RAP.