In the UK, if they repossess and the sale doesn't cover the balance owed, the mortgagor (word of the day!) still owes them the rest. Don't know about the US; I

In the UK, if they repossess and the sale doesn't cover the balance owed, the mortgagor (word of the day!) still owes them the rest. Don't know about the US; I know that in some US states, the mortgagor can walk away from the mortgage scot-free if they feel like it (nonrecourse debt, as it's known).