tonight a new image is said to show the footprint of the 15-year-old who stowed away in the wheel well of a flight from california to hawaii. now, we can't independently confirm the authenticity of the footprint, but this picture was obtained by our affiliate khnl. they say that it shows the teen's footprint on the wheel well. last night we showed you these images of footprints on the gear of the same jet. and for the first time, the father of that teen is now speaking out. revealing why he believes his son, who remains in protective custody tonight, took this trip in the first place, a trip what should have killed his son. temperatures inside that cramped compartment which is not pressurized were most likely up to 80 degrees below zero as the jet cruised for six hours at 38,000 feet. david mattingly is out front. >> reporter: a stowaway plot that at first might have seemed so daring and so calculated continues to be revealed as ill-conceived and utterly reckless.