know many members isis terrorist group slip undetected country yet another serious consequence obama open border several thousand new york city uniform plain clothe officer patrol city weekend.7,000 close circuit security cameras closely watched.air water patrol equip radiation detection.police officer also equip special radiation detection monitor put belt detect dirty bomb america face high threat level ever year 4th july.https //youtu.be/zflo1wizcluvia gateway pundit break video dirty bomb fear nyc police officer target place back obama deblasio wear nuclear bomb detectors july 4th weekend