this weekend's mass shootings left 31 people dead and exposed wa critics say is a glaring lack of strategy in combatting domestic terror. lawmakers and officials telling cnn there is no cohesive plan for dealing with the problem. and in addition to the logistical challenges to identify and disrupt domestic terror plots before they are carried out. one official also says despite the uptick in domestic terror cases, congress and the executive branch have been slow to react. former fbi supervisory special agent and cnn law enforcement analyst james gal yan oh joins me now. the president said whatever they needed to combat domestic terrorism, that's what he would give. what do they need? >> we talk about an event like