Closing arguments in Hunter Biden's gun trial

Did Hunter Biden intentionally lie when he checked off the box that he was not an addict when registering to buy a gun? Hunter Biden's daughter testifies today as a character witness to say her dad was clean and she was proud of him at the time he registered to buy a gun. A he said, she said trial where Bidens defense is really pushing the narrative that he was not using at the time when he bought the gun.