chapter 1 Introduction -- chapter 2 Security Management -- chapter 3 Investigations -- chapter 4 Protection of Sensitive Information -- chapter 5 Substance Abuse in the Workplace -- chapter 6 Physical Security -- chapter 7 Personnel Security -- chapter 8 Emergency Planning -- chapter 9 Guard Force Management -- chapter 10 0 Legal Aspects as They Relate to the Security Field -- chapter 11 Liaison -- chapter Appendix A -- chapter 3 Investigations -- chapter Part I. Exterior Physical Characteristics.