Okay, I was slightly off. He was investigating the company that Hunter Biden worked at, not specifically his son.
Before Shokin was fired, he had been conducting an investigation of Burisma, and Hunter Biden
allegedly was a subject. But the investigation had been
inactive for over a year by the time Joe Biden pushed for Shokin’s ouster.
[LINK]
You might want to read-up on Viktor Shokin before you start crying about his removal.
And even after Viktor Shokin was removed, the Burisma investigation was re-opened in February 2019.
[LINK]
What crime is Hunter Biden accused of again?