A mother and her infant son were killed this weekend in a late-night off-roading excursion gone wrong . Hallie Lewis , 22 , and boyfriend Taylor Brown , 21 , of Orlando strapped their 1-year-old son Brason into a child seat to go along for the off-roading drive near Walt Disney World Saturday night . Around 10:30pm , the couple 's Jeep got stuck in a muddy area and Brown exited the vehicle to try and pull it out of the muck with the help of a friend in a different truck . Tragic : Hallie Lewis and her 1-year-old son Brason were killed this weekend after their Jeep became stuck in mud during a late-night off-roading accident . Lewis pictured above in photos posted to her Facebook . Unresponsive : Hallie and her son became unresponsive when her boyfriend got out to try and rescue the stranded vehicle . Hallie and her baby boy pictured above with a man who appears to be her partner in photos posted to Facebook . While Brown was trying to rescue the stranded Jeep , Lewis and her baby boy became unresponsive inside the vehicle , according to a press release by the Florida Highway Patrol . Mother and son were transported to separate hospitals . Lewis was pronounced dead at Dr Phillips Hospital , while baby Brason battled for his life at Arnold Palmer Children 's Hospital in critical condition . The baby was later pronounced dead Sunday evening . Authorities continue to investigate the deadly incident , but believe the mud may have clogged the Jeep 's exhaust pipe , exposing Lewis and her son to carbon monoxide poisoning .
Hallie Lewis , daughter , and boyfriend Taylor burns , 21 , took their 1-year - old son hostage for a late - night off - roading trip Saturday in Orlando . Around 10:30pm their Jeep became stuck in a muddy ditch . While trying to rescue the stranded vehicle , Lewis and her son became unresponsive . Mother and son were later pronounced dead at the hospital . Authorities say its possible explosion clogged the exhaust pipe , exposing Lewis and her son to carbon monoxide gas .