local police in san bernardino basically ran out of resources they had at their disposal an fbi-trained elite equipped tactical team ready to go, ready to handle it just a short drive away. law enforcement has a lot of capacity in this country. does law enforcement have the specific capabilities, the specific weapons and tactics that they need, particularly when it comes to preventing incidents like this, when it comes to stopping incidents like this before they happen, particularly when it seems like all the relevant contacts, all the relevant enlistment, these declarations of intent, they all now seem to happen online. joining us now is malcolm nance. he's a former u.s. counterterrorism and intelligence officer. now the executive director of the terror asymmetrics project. his next book is called "defeating isis." malcolm, it's good to see you. thanks for being here. >> always good to see you, rachel. >> i understand you as part of your work are going to be training some domestic tactical units on counterterrorism techniques and approaches. what are the big principles you that think need to be used for that kind of stuff in the united states right now? >> well, we actually do have a