I would take the day off work and then go to her school/place of work etc... and wait until she left the premise to go get lunch.
I'd ambush her from behind, choke her out unconscious, blindfold and bind her in the back of the car and drive out to the countryside. I'd wake her up and spend the next few hours fucking her asshole until it was raw, tell her that her pussy isn't good enough for a rapist, slap her around a bit, choke her out a few more times and dump a few loads up her shitter and down her throat. At the end i'd tell her I'm coming back to take what I want again sometime in the future, choke her out, piss on her and dump her on some country road.
I'd go home, grab a few beers and deny everything.