Tennessee ? The son of a Democratic Tennessee lawmaker was convicted Friday on two charges in the hacking of Sarah Palin’s e-mail account while she campaigned on the Republican presidential ticket in 2008.

The federal court jury reached its verdict against David Kernell, 22, after four days of deliberation. He was found guilty of obstruction of justice and unauthorized access to a computer, but was acquitted on a charge of wire fraud.

The jury deadlocked on a charge of identify theft. Prosecutors reserve the right to have a new trial on that charge. The charge of obstructing an investigation carries a maximum 20-year prison sentence and unauthorized access to a computer is a misdemeanor with a maximum one-year sentence.