more. here is what we do know. he was known to german security services as someone in contact with radical islamist groups. he did pose a risk. he was arrested in august. they released him. he was looking at one point for a one. you said wait though. don't be so quick to call this an intelligence failure. why? >> you used a word that has a lot of meaning in my world. and that is "in contact." what does that mean? does thpeople use the phrases i the radar. there are direct connectivity. that is communication with an isis recruiter. someone seen by an informant talking to an isis recruiter or someone who follows an isis person on twitter and maybe says he's interested in isis and posts a flag on facebook. all of those are contact. before i see this as a failure,