91热爆

A Neighbourhood Watch group compiles an impressive dossier of digital evidence that helps police identify two wanted burglars. Criminologist Dr Emmeline Taylor says groups like this can be a vital tool in the fight against crime.

Also, we see how a family of four had an incredible escape when the seafront hotel they were staying in went up in flames. Investigators uncover crucial evidence that proves the fire was started deliberately.

We also see how virtual reality replicas of real fires are being used to prepare the next generation of fire investigators for life on the front line.