Tables of Cases . . xvii
Tables of Legislation . . xxi
Abbreviations . . xxv
Special Features . . xxvii
Introduction . . xxix

1. Covert Investigation in Context . . 1
2. Directed Surveillance . . 29
3. Intrusive Surveillance . . 49
4. Interference with Property or Wireless Telegraphy and Entry onto Land . . 69
5. Covert Investigation and Computers . . 85
6. Examining Mobile Phones . . 99
7. Communications Data . . 107
8. Interception of Communications . . 119
9. Covert Human Intelligence Sources . . 137
10. Covert Investigation Abroad . . 163
11. Risk Management . . 179
12. Managing Covert Investigation . . 195

APPENDICES . . 215
Index . . 369