(AP) — For all the tens of billions of dollars the nation has spent on screening passengers and their bags, few airports made a comparable investment to secure the airplanes. Aguirre said a perimeter search found no holes in the barbed wire fence surrounding their 1,050 acre facility, and officials were waiting to finish their investigation before implementing any additional security measures. "What happened in San Jose can happen as we speak at other airports, because nobody can watch all these monitors" that feed video from around the airport, said Ron, now CEO of the consulting firm New Age Security Solutions. San Jose does not, evidently, have more sophisticated technology that can detect someone climbing a perimeter fence, track a trespasser with radar, or automatically alert authorities at a central post when a video camera picks up potentially suspicious activity. Unlike passenger and baggage screening, which is the domain of the U.S.