"I feel ashamed," Hallie Biden said in her tearful testimony about finding her brother Hunter's gun and abusing drugs.

Following her husband's murder, Hallie Biden, the widow of Beau Biden and a later romantic partner of Hunter Biden

gave a moving testimony on Thursday regarding her discovery of the gun at the focus of his felony trial.

Hunter Biden is charged with felonies for allegedly lying on a federal firearms paperwork in 2018 when it questioned if he had a drug addiction.

In a highly anticipated testimony provided under the assurance of immunity,

Hallie Biden took the stand in the Delaware courtroom where Hunter Biden is being tried.

She claimed that although Hunter had introduced her to crack cocaine