It's deplorable to intentionally give someone a sexually transmitted disease.
Louis is having some drinks at his favorite martini lounge.
Louis wants to have sex with someone.
Louis picks up a handsome fellow and goes home with him and has sex using a condom.
Louis takes a man home and has unprotected sex with him without telling him he is HIV+.
Louis has an exciting sexual encounter.
Louis is arrested for criminal transmission when the man discovers that Louis is positive.