Generate text that refutes this claim: It is better to monitor riots through the social media rioters are using  It is wrong to suggest that social networks only provide advantages to the rioters in a riot. Many of the networks that can be used are open to the public and even where they are not as with blackberry messenger the police and intelligence services can likely gain access. This means that the police can also benefit from rioters use of social networks. Allowing the rioters to communicate can help the police to track what the rioters are doing and potentially to intercept any plans before they can be put into action. The same logic is used with websites that promote extremist ideologies; it is often better to monitor them for the intelligence they provide. The police already monitor protest groups in this way during demonstrations and even use it to help police impromptu raves so will surely apply it to riots. [1] Yet the social media is useful in other ways, particularly after the rioting it can be used to work out who was involved and to provide evidence against them so making the police much more efficient at catching and charging rioters.  [1] Rawlinson, K., “Activists warned to watch what they say as social media monitoring becomes 'next big thing in law enforcement”, The Independent, 1 October 2012,
access information house would block access social messaging networks
Monitoring a riot does not prevent the damage, destruction, and potentially loss of human riot that the riot causes. Rather than taking a reactive passive approach the police have a duty to try and save lives by making use of every tool they have to limit the size and extent of the rioting.