A guide to overt and covert surveillance.

@article{Patterson2005AGT,
  title={A guide to overt and covert surveillance.},
  author={Erik Patterson and Latreece Taylor and Corbie Wells},
  journal={Journal of healthcare protection management : publication of the International Association for Hospital Security},
  year={2005},
  volume={21 1},
  pages={90-6}
}
The article provides a wealth of tips on camera surveillance in a healthcare setting from making a decision whether or not to use surveillance to installing the right kind of equipment; collecting evidence; making a report; and participating in the prosecution.