security expert rafi ron showed us how he could have fit in. >> with the setup we have here, 707, thisea here is probably the best location for him at this time, because that is where the space between the wheels would later on be positioned, and that ensures there would be slightly enough space for him to survive. then he can improve his position once the gear is in. >> reporter: experts say if he did successfully stow away, it's almost miraculous. the wheel wells aren't heated or pressurized, they say, at a cruising altitude of 30,000 to 38,000 feet, the cold air could have killed him. >> at that height, you have temperatures of around minus 45 to minus 65 degrees. to put that in perspective, skin freezes almost instantaneously. >> reporter: unless his metabolism slowed enough to not need as much oxygen. the security in san jose is also being questioned in this case. the boy took advantage of a gap in the system. >> right now, many of our airports are not protecting the perimeter well enough to prevent an incident like this one. >> reporter: that facility exceeds all security require