Not true. The article mentions that all 8 incidents took place in the same vicinity and the public defender asserts that it's the same kind of bear spray Carmignani had when when he encountered Doty.

> “It doesn’t look anything like Don,” Alioto Veronese said. “It’s a whole different guy.”

The baseball cap and mask make identification uncertain, but it could certainly be him. That the police inspector preëmptively included the information in the case file suggests they already suspected him.