One of the trickiest parts of the whole operation would normally be not disturbing the existing fingerprints. Fortunately we didn't have to worry abou... that; all we had to do was have Hightower go in after we put it back and move it around; a loose mouse cable was all the excuse we needed for that. The really tricky part was leaving the right amount of dust on top of the machine to make it credible.Now that the evidence we wanted found – well, not really wanted, but didn't care if they found –. She sucked it wildly, heatedly, swirling her tongue around his swollen cock-head. John gasped and whimpered."Oh God, Sis, please," he croaked. "You know how quick I cum!" Cum in my mouth, Johnny!" Shari panted."No! I want to fuck you!" You want to fuck me?" Yes!" You want to fuck me, you nasty little boy?" Shari giggled. "You want to fuck me in my ass?" What?" You heard me." God, yes!" We can't do it here. It hurts at first. I'll scream." Where can we go?" We have to wait until we're alone in. I waited patiently as I heard the wet smacking noise continue on and then I heard it stop. Soon I felt an object pushing at my closed lips which were tightly pursed together because I was anticipating Zack sticking his dick inside my mouth. It was all still new to me at the time and even though I had fantasized about this very type of thing happening to me, it was just happening so fast so I was a bit hesitant to say the least.Zack grew impatient as he said, "Open your mouth... COME ON! DO IT!". Quickly she picked up a couple of sodas and took me upstairs away from her mom and two younger brothers.In her neat girly room, she tossed my book bag on the bed and we stretched out and began to study ... for maybe ten minutes. Then her hand began to rub my crotch and she asked if she could see it. I said yes as long as she showed me hers. She stripped out of her top and shorts quicker than I could kick off my shoes. Within seconds we were exploring each other with hands and mouths. I couldn't.