video motion detection equipped cameras and smart fencing guaranteed to find intruders at a minimum 95% of the time. casile is among the 5%. when his jet ski falters off the runway at john f. kennedy, he swims toward airport lights, walks across two run ways to delta air lines terminal 3. >> 31-year-old jet skier can penetrate the system. we have deficiencies, and they have to be addressed before the next time we see a terrorist with sinister motives. >> reporter: we tried to ask federal authorities that exact question, but no one at the tsa or department of homeland security would be interviewed, saying they are working with investigators while directing us to airport officials who promised to step up perimeter and boat patrols. >> we need heads to roll. >> we need head to roll. now we have to turn around and hold government accountable.