Translation of verbrecherisch

Clara agreed about a month ago to give me her acquaintances' contact details from NYU and Columbia. I have just spoken to her now and she told me that you could help me and send me those files.
We had time to walk around the waterfall but refrained from entering the little lake at the bottom. My fellow tourtakers were quiet nice and we spend a while just sitting in the grass near the water.
My wife and her started a nice conversation and the village girl did not believe that my wife was older than thirty years old. My wife considered herself as old, but the little girl explained her that she wasn't.