RT Book T1 Informants, cooperating witnesses, and undercover investigations: a practical guide to law, policy, and procedure T2 Practical aspects of criminal and forensic investigations series A1 Fitzgerald, Dennis G. LA English PP Boca Raton London New York PB CRC Press YR 2015 ED Second edition UL https://krimdok.uni-tuebingen.de/Record/162651898X CN KF9665 SN 9781466554580 K1 Informers : Legal status, laws, etc : United States K1 Undercover operations : Law and legislation : United States K1 Evidence, Criminal : United States K1 Undercover operations : United States K1 Evidence, Criminal K1 Informers : Legal status, laws, etc K1 Undercover operations