Hunter Biden is the son of US President Joe Biden and has been the subject of several legal investigations and controversies. Here are some of the key events:

• Addiction: Hunter Biden has acknowledged a decades-long addiction to alcohol and crack cocaine.

• Foreign business dealings: Hunter Bidens foreign business dealings have led to questions and investigations by House Republicans and federal prosecutors.

• Tax and money laundering investigation: Hunter Biden is under investigation by the Justice Department for potential criminal violations of tax and money laundering laws.

• Gun charges: Hunter Biden was indicted on three criminal charges related to firearms, including lying on a form when he purchased a gun.

• Child support: Hunter Biden ended a years-long battle over child support that required him to give some of his paintings and provide a monthly payment to the mother of his child.

• Lawsuits: Hunter Biden has sued a former Donald Trump aide over his alleged role in publishing emails and embarrassing images of him, and has also asked state and federal agencies to open a criminal probe into Trump allies for accessing and spreading his personal data.

Its worth noting that Hunter Biden has denied any wrongdoing and that some of the investigations into him have been criticized by Democrats as politically motivated.