This very thorough article from Deutschland’s DW leads with the demands on crime scene methods in determining many of the events leading up to and occurring after the recent sad event in London.
http://www.dw.com/en/police-seize-huge-amount-of-forensic-material-in-london-attack-raids/a-39110961
FORENSICS and LAW in FOCUS @ CSIDDS | News and Trends 