A 27-year-old faced a federal charge this week, while a 79-year-old in Middlesex County was accused of using public Wi-Fi to upload the disturbing files.
Olga Diaz admitted to planning the sexual assault of a young girl along with a man in 2017. The duo gave the child sleeping medication before recording the abuse, prosecutors said.
The four men - ranging in age from 19 to 26 - were arrested and charged over a ten-day span this month, according to the Hudson County Prosecutor's Office.