A disturbing story that happened last November in Cleveland, Texas. The investigation is still active, as police and investigators are trying to crack down on the case of what exactly happened to an 11-year-old girl.

Thirteen adults and five juveniles have been arrested as part of an investigation into the alleged rape of a Texas girl, police said.

Darrell Broussard, assistant police chief for the Cleveland, Texas, police department, said Monday that the investigation into the incident "is continuous," with more significant developments possible. Cleveland is about 50 miles northeast of Houston.

"There have been leads during our investigation that have alerted us to other possible persons of interest," Broussard told CNN. "The investigation is ongoing."

The 18 individuals charged thus far are between 14 and 27 years old, he said.