
A young driver who crashed into a tree, killing his 19-year-old girlfriend, was potentially high on nitrous oxide "nangs" and could have veered off the road deliberately.
Minunyurra Wanita Lavinia Brown-West was a passenger in Blair Thomas Bailey's Holden Cruze when it left the Tasman Highway in Hobart about 7.40am on March 25, 2020.