article_snippet.sent: Everything will have been cleaned, cleaned and cleaned again to remove forensic traces.
article_snippet.sent: But police enquiries won't stop there.
article_snippet.sent: The forensic assault on the crime scene will be immense.
article_snippet.sent: In recent years forensic science has made major advances in identifying trace evidence and investigators will look for any scrap of evidence that might yield the DNA of a criminal.
article_snippet.sent: But the investigation will still be relentless.