In Skyrim, each hold keeps track of bounties separately, which means you also need the FactionID of the hold in which you want you clear your bounty. player.setcrimegold <hold> 0. Hold being the FactionID. I have no idea where to acquire these IDs. Hope this helps, though. And if anyone knows how to fix MY problem..: I've received the quest, and it tells me to liberate Falkreath, but when I try to talk to Galmar, there is no 'Reporting in' dialogue choice. I don't think that I have a bounty.