Attorneys spar over computer simulation

REMARKBLE. DETAILS FROM RANDI KAYE. >> Reporter: THIS IS ONE PICTURE OF WHAT MIGHT HAVE HAPPENED IN THE MOMENTS BEFORE TRAYVON MARTIN WAS KILLED. THIS 3 D COMPUTER ANIMATION OF THE CONFRONTATION BETWEEN TRAYVON MARTIN AND GEORGE ZIMMERMAN. THE REENACTMENT COMES FROM A WITNESS FOR THE DEFENSE. HIS COMPANY CONTRAST FORENSICS CLAIMS TO BE THE ON COMPANY WITH WIRELESS MOTION CAPTURE TECHNOLOGY. HE USE AS MOTION CAPTURE SUIT TO TRACK THE MOVEMENTS. ON THE COMPANY'S YOUTUBE CHANNEL WE FOUND THIS REENACTMENT FROM ANOTHER CASE. HE RECONSTRUCTED A POOR QUALITY SECURITY CAMERA VIDEO SHOWING A PEDESTRIAN HIT BY A VEHICLE. SEE HOW THE WIRELESS MOTION CAPTURE SUIT CAPTURES THE MOVEMENTS AT EVERY LOCATION. HE USES ACCELROMETERS TO GET THE MOST ACCURATE MOVEMENTS. HE USED TO USE A TAPE MEASURE AND LASERS. NOW HE CREATES A SERIES OF POINTS AT A SCENE, SOMETIMES AS MANY AS 500, ALL IN 3 D SPACE. S HE SAYS IT'S THE MOST ACCURATE ON THE MARKET. >> THE LASER FOLLOWS ME AROUND, SO IT ONLY TAKES ONE PERSON TO OPERATE. >> Reporter: IN COURT HE TOLD THE JUDGE HOW HE CREATED THE MODEL IN THIS CASE AND WHETHER OR NOT IT MATCHED THE SAME CONDITIONS AS THE NIGHT ZIMMERMAN MET MARTEN. >> TALK TO ME ABOUT THE CONDITIONS. I ASSUME IT WAS FILMED IN THE DAYTIME. >> CORRECT. >> I ASSUMED IT WASN'T RAINING? >> CORRECT. >> GLASS WASN'T SLICK? >> CORRECT. >> OKAY. THERE WEREN'T THESE OTHER ITEMS OF PHYSICAL EVIDENCE OUT THERE? >> CORRECT -- CORRECT. >> Reporter: SCHUMAKER SAID HE RECREATED THE WITNESS STATEMENTS NOT IN DISPUTE. >> THE SCENARIOS ARE CONSISTENT WITH TESTIMONY WITNESSES, EVIDENCE AT THE SCENE. >> Reporter: STILL, THE PROSECUTION ARGUED AGAINST SHOWING THE ANIMATION TO THE JURY CLAIMING IT'S AN INACCURATE DEPICTION OF THE CONFRONTATION. HIS TECHNOLOGY AND OTHERS LIKE IT ARE ALSO USED BY POLICE AGENCIES, EVEN BY THE ENTERTAINMENT INDUSTRY FOR ANIMATED MOVIES LIKE AVATAR. >> THE SUIT THAT I HAVE, IT WAS USED IN AVATAR, IRON MAN, X MEN AND THEY USE IT FOR CREATING MOVEMENTS OF THE CHARTERS IN THE MOVIES, AND IT ALSO IS USED IN GAMES, GAMING LIKE MADDEN FOOTBALL. >> Reporter: AS WE WAIT FOR THE JUDGE TO RULE WHETHER THE ANIMATION CAN BE SHOWN TO THE JURY, SHHE SAYS IF IT IS REJECT,