South Dakota AG attempts to cover up fatal hit and run, September 14, 2020 news
https://www.cnn.com/2020/09/14/us/tropical-storm-sally-louisiana-monday/index.html
The death occurred Saturday, September 12, 2020.
It came 153 days after his 44th birthday.
153, 17th triangular number *Kill 17 / 44
You could also say it was his 154th day of his age.