The R&B singer was convicted in Brooklyn, New York, for sex crimes against minors and young women and will face a separate trial in Chicago.
A historic uprising against police brutality in the city has seen the arrest of nearly 2,000 people, including me.
Chris Mathias, who was wearing a press badge, had been covering protests sparked by the killing of George Floyd in Minneapolis.
The agency walked back a statement that initially claimed the dog was "unleashed" at the time.