RT Book T1 To kill again: the motivation and development of serial murder T2 SR books A1 Sears, Donald J. LA English PP Wilmington, Del. PB Scholarly Resources Books YR 1991 ED 1. publ. UL https://krimdok.uni-tuebingen.de/Record/277208386 CN 364.1/523/0973 SN 084202378X K1 Serienmörder