That's where this all falls apart what if the government believe you have on thing on your laptop but in stead it turn out you had something else. Did they jus

That's where this all falls apart what if the government believe you have on thing on your laptop but in stead it turn out you had something else. Did they just break the law by forcing you to decrypt it? Or is it enough for the government to believe whatever they want to make you give up your encryption key?