Hallie Lewis , 22 , and boyfriend Taylor Brown , 21 , took their 1-year-old son Brason for night off-roading trip Saturday in Orlando . Around 10:30pm their Jeep became stuck in a muddy patch . While trying to rescue the stranded vehicle , Lewis and her baby became unresponsive . Mother and son were later pronounced dead at the hospital . Authorities say its possible mud clogged the exhaust pipe , exposing Lewis and her son to carbon monoxide gas .
Hallie Lewis , 22 , and boyfriend Taylor Brown , 21 , took their 1-year-old son Brason for a late-night off-roading trip Saturday in Orlando . Around 10:30pm their Jeep became stuck in a muddy patch . While trying to rescue the stranded vehicle , Lewis and her baby became unresponsive . Mother and son were later pronounced dead at the hospital . Authorities say its possible mud clogged the exhaust pipe , exposing Lewis and her son to carbon monoxide gas .