Okay, so here's what happened: I was in a sit with him, as he had a gun stand right there, with a kos sign and a building sign behind it. I told him that His KOS sign would only apply to his stand, not the house behind it. This guy then was returned to his base to continue RP. Very soon after, like less than 2 minutes after, an FBI, who was in the previous sit, was running into the backyard due to a panic button. The Gun Dealer then left his stand and killed the FBI. Said FBI called me back to another sit, explaining what had happened. I then explained again what happened, and told him he was being warned for failure to listen during a staff sit and RDM. I then warned him and he was kicked. Afterwards, when he got back on, he called me and i brought him to another sit and he staff dissed, so i warned him again for staff diss. Also, I dont have proof for the very beginning, but he had a building sign behind him on the building and kos on his thing, and i saw this building sign, but just to see if he was gonna do whatever it took, i told him i was gonna go check, and there was no more building sign.