CLEVELAND COUNTY, N.C. (WTVD) -- A fourth-grade student in Cleveland County sent a nude video to strangers over the Internet, detectives said.The video is circulating online, and detectives said it's going to be hard to find the individuals responsible.Cleveland County Sheriff's Office Capt. Joel Shores said detectives are helping the Boiling Springs Police Department with the investigation.Shores said young people should realize that once a photo or video is sent out on the Internet, there isn't much that law enforcement can do to retract it.He said removing the video from circulation on the Internet is almost impossible.