sell their technology as well to us are a terry in states and they what they say is that they issue a warning to everybody that they sell to staying at their technology should be used as senshi for you know fighting crime for example so. they have many critics for what their talk knology has been used for because it has actually been used against you know political rivals and dissidents in several countries around the world and one of the most vocal critics has been at the u.s. whistleblower edward snowden and actually at the end of last year. he actually said this about n.s.o. something we re going to hear from the n.s.o. group in today s world based on the evidence we have they are the worst of the worst in selling these burglary tools that are being actively currently used to violate their human rights and this is the opposition figures activists. well you