How tall is Kai the Hatchet-Wielding Hitchhiker? Real name, birthplace and current age

Netflix recently dropped its first true crime documentary of 2023, The Hatchet Wielding Hitchhiker. It focuses on a bizarre pocket of time in 2013 when a stoner hitchhiker - called Kai - went viral after he stopped a man who'd given him a lift from killing a woman.
But where is Caleb Lawrence McGillvary now? For a few months in 2013 he was a minor celebrity in his own right... but in May that year, he murdered a man he claimed drugged and raped