Catched my wife having sex with my neighbour!

Huh...don't know what to say...i've had that feeling for about last 2 months, and deńided to put a cam in a bedroom. Shit, my hands are shaking...that dirty slut sucked my cock just twice a year, and look what she is doing with his cock:
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Well, should i catch them and kill them, or invite him and show them tape?
or just go to court?
fuck, donno what to do...need your advices....