1. You were not ingame at the same time as 'him'
2. Your internet connection is your responsibility, you were the one who let your friend play using your internet, so it is your responsibility for what ever happens next.
Sure, can you show me that log?
Because I was sitting next to him when he said.
OMG, I found a Samp hack that is named "Extreme money hack" and he got 1 mill per time he did it, and he said that he is going to send me 5mill, and I said, I wont have them because they were false money.