Four men were arrested in a Cape May County sweep that targeted people who tried to sexually exploit children, investigators said. The operation, dubbed Blank Space, was carried out over two days in Ocean City and was led by the Cape May County Prosecutor’s Office, the Ocean City Police Department, Homeland Security Investigations and other local agencies, according to a joint release from the office and the department. “The operation employed a multifaceted approach, leveraging advanced technology, forensic analysis, and undercover techniques to apprehend those involved in child sex exploitat…