It was Mr.V. himself who mentioned the machete. Also he mentioned that he had met K.at the subway station as she came home from work. Ditto for he himself saying that he got a weird feeling, and set off looking for her 30 minutes after she set off to go running. I had not known these things before, but Mr. V. mentioned all these things in a recent newspaper interview.
He said that he went looking for K. 30minutes after she left the house.
K. was last seen at the entrance to the "park" at 5 :46 pm ( on video).
So, if K. actually went to go running at around 5 :30pm, that would put Mr. V. somewhere around the park entrance at 6pm ish.
I assumed that he took a machete to cut through the weeds around the fire lanes ? If he wanted to defend himself, I think Mr. V. would have other means at his disposal ? JMO, though...