And ... If hitting you with a wrench can potentially make you unable to provide the password, there is also using the wrench on someone else that you don't want

And ... If hitting you with a wrench can potentially make you unable to provide the password, there is also using the wrench on someone else that you don't want to be hit with a wrench. If they want it badly enough, they'll find the leverage to get it. Many people have moral lines they won't cross, but the kind of people willing to use a wrench on you to get what they are looking for, are willing to cross many more lines than an ordinary citizens.