shootings of african-american men. so the fact that these russian ad buyers understood and were sophisticated enough to make ad buys referencing black lives matter in those cities where it would resonate not just with people who supported the movement but also with people who may have opposed the black lives matter movement, it demonstrates a level of sophistication by these russian ad buyers which is important because up until this point, up until our report we haven't had any information from facebook or from capitol hill about how these ads were targeted in terms of their geographic location. and that's going to be a significant thing for investigators and what they're going to be looking at going forward. >> this is just the tip of the iceberg. are we any closer to answering how russia knew who they should target on facebook? >> we're not, don. and hopefully we'll get more sort of i think lings about how these ads were targeted, where, not just geographicel but in terms of the interest groups, the geographics. again, that level of