Mother accused of fatal DUI crash

Mother accused of fatal DUI crash after driving more than 121 mph on Las Vegas street.

SPEEDING AND KILLING....HER YOUNG SON.NEW POLICE DOCUMENTS REVEAL...THE FATHER WATCHED....ALL THIS UNFOLD.THANK YOU FOR CHOSING US.I'M TRICIA KEAN.AND I'M TODD QUINONES.THE CRASH HAPPENING NEAR LAKEMEAD AND RAMPART.POLICE SAY THE MOTHER -- LAURENPRES-CIA WAS DRIVING AT MORETHAN -120- MILES PER HOUR.13 ACTION NEWS REPORTER...AUSTIN CARTER IS LIVE WHERE THECRASH HAPPENED.AND A MUCH DIFFERENT SCENE OUTHERE NOW - THE ROAD IS BACKOPEN - BUT YOU CAN WHATS LEFT -THAT DAMAGED MARQUEE SIGN ATTHE BIG LOTS THAT POLICESAY THE DUI DRIVER SMASHED INTO- DRIVING 121 MILES PER HOUR.HER SON IN THE BACKSEAT -KILLED.NOW LETS SHOW YOU THE CRASHLAST NIGHT - THAT VEHICLE -SPILT IN HALF IN THE MIDDLE OFNORTHBOUND RAMPART JUST NORTHOF LAKE MEAD.ACCORDING TO POLICE - BEHINDTHE WHEEL - 23 YEAR OLD LAURENPRESCIA.INVESTIGATORS BELIEVE THEHYUNDAI SHE WAS DRIVING -SMASHED INTO A NISSAN ELANTRAAS PRESCIA CROSSED LAKE MEAD.THE SIDE OF THE HYUNDAI -HITTING THE WALL OF THE MARQUEEREST OF IT.IN A CAR SEAT IN THE BACK OFDRUNK DRIVERS OFF THE ROAD HEREIN SOUTHERN NEVADA.THEY'RE TRYING TO WRAP THEIRHEADS AROUND JUST HOW SOMEONECOULD DO THIS.PRESCIA IS FACING MULTIPLECHARGES - INCLUDING DUIRESULTING IN DEATH.SHE'S BEING HELD ON A 25,000DOLLAR TOTAL BOND AND ISEXPECTED TO BE IN COURTTOMORROW.HOW TO GET -3- HUNDRED -20-THOUSAND STUDENTS...