A WARNING YOU MAY FIND THE FOLLOWING VIDEO DISTURBING. >>> TONIGHT NEW VIDEO SHOWING THE DEADLY ENCOUNTER ON THE PORCH OF AN OHIO FAMILY HOME. >> MITCHELL, OF SYDNEY SHOT AND KILLED 22-YEAR-OLD JAMES RAIL LAST MONTH. AFTER IT APPEARS RAIL TRIED TO BREAK INTO THE HOUSE WHERE HIS EX-GIRLFRIEND ALLISON LIVED. >> GET OFF MY PORCH. >> IN VIDEO CAPTURED BY A HOME SECURITY SYSTEM AND PROVIDED TO NBC NEWS BY LOCAL POLICE YOU CAN SEE RAILS FIRST RINGING THE DOORBELL MULTIPLE TIMES. >> THE FAMILY SAYING THEY ASKED HIM TO LEAVE AND THEN, THIS. >> GET OFF MY PORCH. >> SHOT THREE TIMES. HE STUMBLED BACKWARDS AND FALLS TO THE GROUND. TWO MINUTES LATER A BYSTANDER WALKS UP TO HIS LIFELESS BODY. >> HE IS NOT MOVING. >> DID YOU SHOOT HIM? >> YES. >> OKAY. >> CALL 911. >> WE ARE ON THE PHONE WITH THEM RIGHT NOW. >> RAIL WAS PRONOUNCED DEAD AT THE TEAM. >> AUDIO FROM THE CALL CONFERENCE ALLISON'S PHONED POLICE WHILE RAIL WAS ON THE PORCH WHEN SHE SAYS HE TRIED BREAKING INTO THE FAMILY HOME. THE PAIR PREVIOUSLY STATED THEY DATED AND BROKE IT OFF A TIME AGO. THE CIRCUMSTANCES OF THE SPLIT NOT CLEAR, THE FAMILY INTERVIEWED BY POLICE. >> ONCE I REALIZED HE WAS GETTING IN AND THE DOOR WAS OPEN IS WHEN I SHOT. >> JESSICA SAYS HER BROTHER WENT TO THE HOUSE TO LOOK OUT FOR ALLISON, EMOTIONAL AT THE LOSS OF HER BABY BROTHER. >> I FELL TO MY KNEES. THAT IT COULDN'T BE TRUE. HE IS NOT SUPPOSED TO DIE. >> A NEW STANDARD STAND YOUR GROUND LAW WENT INTO EFFECT. PROSECUTORS IN THIS CASE DECIDING NOT TO MOVE FORWARD WITH ANY CHARGES AGAINST MITCHELL. >> I THINK NOT ONLY SHOULD HE BE HELD ACCOUNTABLE BUT SO SHOULD OTHER PEOPLE BE INVOLVED THAT DID NOT DO A FULL INVESTIGATION. >> ON THAT DAY, ONE MONTH AGO, ALLISON WAS GRATEFUL FOR WHAT HER FATHER DID. >> I AM NOT MAD AT YOU. I AM OKAY. >> WE ARE JOINED NOW, THE LAST PIECE OF THE VIDEO WAS FROM BODY CAMERA FROM POLICE. SEEMING TO INSINUATE THE INVESTIGATION WAS NOT OVER, WHAT DO WE KNOW? >> SHE TOLD ME THAT THE INVESTIGATION WAS NOT COMPLETE AND TONIGHT WE ARE HEARING FROM THE SHELBY COUNTY SHERIFF'S OFFICE WHO DISPUTE JESSICA'S ALLEGATIONS SAYING THEY CONDUCTED A FULL INVESTIGATION THE SHERIFF NOTED HE UNDERSTANDS THE FAMILY'S GRIEF AND ADDED AND THIS IS INTERESTING QUOTE A YOUNG MAN LOST HIS LIFE AND THERE HAVE BEEN MANY OTHER OPTIONS. BUT THE LAW IS THE LAW AND WE TAKE OATH TO UPHOLD THAT LAW. >> I DO WANT TO ASK YOU THAT THE RING CAMERA IS A LITTLE TOUGH TO TELL, WAS THE SUSPECT ACTUALLY ABLE TO GET IN THE HOUSE OR IS IT JUST SORT OF A BACK-AND-FORTH TUG-OF-WAR WITH HIM TRYING TO BREAK THE DOOR DOWN? >> ALLISON'S FATHER SAYS THAT THE SUSPECT AND EX-BOYFRIEND IN TH
