this is the week so the home secretary is in the hot seat. she said too early to say whether these individuals in particular, in particular the 18-year-old who had been arrested was known to authorities. there has been pressure on the british government to ramp up its security efforts and the home secretary has respond to do that today announcing on television that 24 million pounds, about $32 million, would be given to police officers to help shore up security but remember, this is the fifth successful terror attack that has happened and the fourth so far this year on the british capitol. back to you. >> nina, so appreciate the update. joining me to discuss is michael wise cnn security officer and, michael, good morning to you. >> good morning. >> let's start with the obvious question. who is responsible as investigators begin searching and this investigation? do you see any hallmarks of