TY - BOOK AU - Fitzgerald, Dennis G. TI - Informants, cooperating witnessess, and undercover investigations: a practical guide to law, policy, and procedure SN - 978-1-4665-5458-0 U1 - DC 345.73 2015 PY - 2015/// CY - Boca Raton PB - CRC Press KW - Informers KW - Legal status, laws, etc KW - United States KW - Undercover operations KW - Law and legislations KW - Evidence, Criminal ER -