In Hunter Biden's Gun Trial, Hallie Biden Is a Key WitnessIn text exchanges between Mr. Biden and a former girlfriend, Hallie Biden, the widow of his brother, Beau, she urged him to seek treatment as he trawled the streets for drugs.
Source: In Hunter Biden's Gun Trial, Hallie Biden Is a Key Witness (https://www.nytimes.com/2024/06/06/us/politics/hallie-biden-hunter-gun-trial-testimony.html)