because his then-mistress and subsequent 3rd wife had his out-of-wedlock baby a few weeks before the incident.
https://www.dailymail.co.uk/news/article-14111159/amp/defense-pete-hegseth-baby-divorce-drunken-sex-assault.html
"EXCLUSIVE Defense Secretary nominee Pete Hegseth had a baby with his Fox News producer lover just weeks before claim of drunken sex assault
His marriage had fallen apart when his wife discovered his mistress had given birth to his daughter and his divorce was about to cost him millions.
...
Just weeks later Hegseth, now 44, was accused of groping multiple women and sexually assaulting one as alcohol once again allegedly clouded his judgment.
The allegations of assault could not have come at a more delicate time for Hegseth personally. His accuser made her claims as his divorce proceedings were pending with an initial case conference set to take place less than three weeks later on October 27."...(more.... sorry to cite the Daily Mail, but this type of sordid mess is right up their alley)