Hunter Biden joined his father in public on Monday despite rising scrutiny of their business relationship.

The two went shopping in Delaware and attended Mass to commemorate the death of Joe Biden's first wife, Neilia, and daughter Naomi.

The Biden family also had lunch at Rocco Italian Grill & Sports Bar with "friends," the White House said, and Joe and Hunter went shopping at a jewelry store.

Hunter spotted

Biden has long denied any involvement with his son's business, but there is mounting evidence that he mingled with his son's associates and even shared finances with Hunter, who admitted to being "extremely irresponsible" with money in a rare public speech last week.

Hunter was accused of backpedaling when he claimed is father was not "financially involved" in his international business dealings, which have become the focus of a Republican impeachment inquiry.

The White House acknowledged that Biden was familiar with the substance of his son's fiery remarks, which blasted "MAGA Republicans" in echoes of his father's campaign rhetoric.

"For six years, MAGA Republicans, including members of the house committees who are in a closed-door session right now, have impugned my character, invaded my privacy, attacked my wife, my children, my family and my friends," he said.

Sticking together

Some, like legal professor Jonathan Turley, have questioned whether the two collaborated to thwart a subpoena from the House - warning Joe may have exposed himself to obstruction charges.

Hunter is already facing a possible contempt charge for ignoring the subpoena. He accused Republicans of "weaponizing" his father's love for him, echoing Democrats who have dismissed the impeachment investigation as a partisan exercise.

Joe Biden is said to be consumed with guilt over his son's recent troubles, and Hunter has expressed concern he may need to flee the country if Donald Trump returns to the White House.

Biden's former press secretary Jen Psaki suggested that Hunter should make himself less, not more, visible as his father navigates choppy political waters.

"Look, I think if you're sitting in the White House right now, you're like, 'Please, Hunter Biden. We know your dad loves you. Please stop talking in public,'" Psaki said. 'This is not helpful to any of them for him to be out there."

Despite criticism, Joe has been very defensive of his son, and he has refused calls to put him in a cupboard.