President Joe Biden’s son Hunter Biden was convicted by a jury on Tuesday of lying about his drug use to illegally buy a gun, a verdict Democrats may seize upon to counter Donald Trump’s claim of a justice system weaponized against him.A jury in Wilmington, Delaware, federal court issued the verdict, making Hunter Biden the first child of a sitting U.S. president to be convicted of a crime.A verdict of the 12-member jury must be unanimous on each count.The trial followed the May 30 criminal conviction of Trump, the first former U.S. president to be found guilty of a felony and the Republican challenger to Joe Biden, a Democrat, in the Nov. 5 election.