Street photographer Joshua Rosenthal visited the Ventura County Fair in Ventura, California, this week and roamed the fairgrounds while shooting candid portraits of visitors. The next day, he woke up to find that he had become the target of vicious accusations on social media and a search by local vigilantes.“I’m a street photographer who has been making images of details a la [Michelle] Groskropf and [Jeff] Mermalstein,” Rosenthal tells PetaPixel. You can find his portfolio of street photos on his…