Joseph Kaplan is a 41 year old Czech Immigrant living in Hove Beach. He is a known associate of Mikhail Faustin and other Russian criminals in the area. Although he has only one conviction (in 2003 for sexual assault) he is suspected by police of running a prostitution ring in a hove beach Sex Shop and also making low budget pornographic movies in it's basement. Several young women have filed reports against Kaplan, including Prostitute Marnie Allen, claiming that they were conned into appearing in his films.
Kaplan is seen in the mission "Do You Have Protection?" in which Niko shoots him for not paying Faustin a sufficiant cut of his profits from the movies he makes.