RT Article T1 What propels sexual murderers: a proposed integrated theory of social learning and routine activities theories JF International journal of offender therapy and comparative criminology VO 55 IS 2 SP 228 OP 250 A1 Chan, Heng Choon 1981- A1 Heide, Kathleen M. 1954- A1 Beauregard, Eric LA English YR 2011 UL https://krimdok.uni-tuebingen.de/Record/1525086235 K1 Sexual homicide K1 Sexual murderer K1 Social learning theory K1 Routine activities theory K1 Criminology theory K1 Victimology DO 10.1177/0306624X10361317