RINGING IN THEIR EARS. IS IT POSSIBLE TO OUTSMART AN IGNITION INTERLOCK WITH AN INFLATED BALLOON? POLICE SAY THEY RECENTLY CAUGHT A REPEAT DRUNK DRIVER IN THE ACT ... TRYING TO USE A BALLOON TO BLOW INTO THE DEVICE...TO TRICK IT. TONIGHT ERIC KAHNERT LOOKS INTO WHY THAT’S NOT A SMART THING TO DO. ERIC? POLICE IN WISCONSIN SAY THEY CAUGHT SOME DRUNK GUY USING A BALLOON — LIKE THIS ONE -- TO BLOW INTO HIS IGNITION INTERLOCK TO START HIS VAN. WHILE IT WORKED THERE ... LOCAL INTERLOCK EXPERTS SAY ... IT WON'T HERE. 45 YEAR OLD PAUL RUPPLE THOUGHT HE CAME UP WITH A GREAT WAY TO AVOID HIS 6TH D-W-I ARREST. AS YOU CAN SEE FROM THE HEADLINE OF THE MILWAUKEE JOURNAL SENTINEL -- IT WORKED ... UP UNTIL LAST WEEK ANYWAY. POLICE SAY RUPPLE WAS DRUNK WHEN THEY CAUGHT HIM USING A BALLOON HE'D FILLED UP WITH AN AIR COMPRESSOR TO START HIS IGNITION INTERLOCK. WE STOPPED BY ANDREW WONG'S ALBUQUERQUE BUSINESS -- 'ACTIVE INTERLOCK' TO SEE IF IT CAN HAPPEN HERE. WONG USED AN INFLATED BALLOON TO SHOW US WHETHER THE INTERLOCK DEVICE HE SELLS -- CALLED THE 'DETERMINATOR'-- CAN BE DUPED. 1:19 'even with it on tight it's not providing the proper air pressure, even if i squeezed it to give this device it needs to accept a sample.-13' WONG SAYS MOST INTERLOCKS IN NEW MEXICO REQUIRE DRIVERS TO BLOW -- AND INHALE -- TO GIVE AN ACCURATE SAMPLE. AIR PRESSURE IS ALSO A FACTOR. 4:37 'you can actually hear the air escaping through the back and feel it. INVALID SAMPLE. see it gives an invalid sample it's just not enough.-10' TEMPERATURE IS ANOTHER SAFEGUARD. 3:06 'this actually measures breath temperature, so you're breath temperature has to be a certain human breathe temp.-8' WONG SAYS DRUNK DRIVERS IN NEW MEXICO CAN FORGET ABOUT BALLOONS ... AND INSTEAD THINK ABOUT A DESIGNATED DRIVER. 3:27 'i don't see it happening on any of the machines I know, it could have been an older machine.-4'WE TALKED TO ANOTHER INTERLOCK COMPANY TODAY, AND THEY TOLD US THERE ARE SOME DEVICES YOU ONLY HAVE TO BLOW INTO ... BUT EVEN WITH THOSE ... A BALLOON PROBABLY WON'T WORK. REPORTING LIVE DOWNTOWN, EKEYWN4. A NEW REPORT