First 134 words of the document:
The `clear up' rate for murder in the UK is 80-90%.
Serial killer has killed at least 2 or 3 over a period of time.
The preparation of biographical `sketch' gathered from information taken at the crime scene, from
the personal history and habits of a victim, and integrating this with known psychological theory.
The choice of victim
The nature of the assault
What is and is not said to victim
Offender profiling is not particularly successful.
However, perpentrators should be stopped and it can be successful in some cases, such as the case
of John Duffy