this. reporter: so after fighting for months on a city street corner and in the county courthouse to get the surveillance video, kendrick johnson s parents still do not know who was in the gym before kendrick ran in, nor who, if anyone, was there or what happened in those moments after. more than a week ago, we sent lists of questions to the attorney for the sheriff s office and the attorney for the county schools. the attorney for the sheriff s office has not yet answered those questions, but we have received a response from the attorney for the school district. two words no comment. however, the school s attorney has offered to make the original hard drive available to the court. no, the johnsons want an expert to make sure everything the school had in its possession was then given to the sheriff s office, and then everything they had was then given to the johnson family. well, i just have to say kudos for you for staying on this, because this would not be, you know, known for
first six monthing, we ve been investigating the death of kendrick johnson. the south georgia high school student dies in january. now, investigators claimed he suffocated after falling head-first into a rolled-up gym mat. a local sheriff says his death was an accident, but his parents believe he was murdered. four cameras in the gym. more than four dozen other cameras across the campus captured hundreds of hours of surveillance footage. johnson s parents say somebody tampered with some of the images. so cnn had a certified forensic video analyst look at them and get us some answers. that s my child, and we ll fight until it s all over, until we get the truth. that s all we ever asked for was the truth about what happened to kendrick johnson. reporter: jacqueline johnson and her husband kenneth hope to find that truth in the hundreds of hours of surveillance video recorded the day sheriff s
again at 1:09 p.m. i would absolutely expect there to be some record of that activity, and we don t have it here. reporter: here s why fredericks would have expected the motion-activated system to record during that time. during that hour and five minutes, several students are seen walking into and out of the old gym from just outside the gym doorp. we count seven male students, and three of them walk into the gym within three minutes prior to kendrick johnson walking in. i can t tell you whether there was no information recorded in the digital video system, or whether somebody made an error and didn t capture it, or whether somebody just didn t provide it. when surveillance in the gym resumes at 1:09, we see just these few frames of kendrick johnson running in the gym. here s the moment from all of the cameras in the gym, although a record for only two, and the camera just outside the door. notice the hall camera timestamp appears to be 10 minutes behind,
police, and the i think that probe is a mistake. reporter: according to the county sheriff s office incidents report, a detective watched a portion of the surveillance video the day kendrick johnson was found. then he asked the school board s information technology worker for a copy of the surveillance video to the for the entire wing of the school with the old gym for the last 48 hours. five days later, that i.t. worker provided a hard drive and according to the incident report the detective verified it contained the requested material. the investigator s responsibility is to acquire the entire video recording system and have their staff define what they want to obtain. you don t want somebody who might be party to the responsibility to make the decision to what they provide the police. reporter: and after hours of analysis, frederick questions whether the county schooling provided all of the surveillance video from the old gym to investigators. there is a hole of time where
lowndes county sheriff s office incident report, a detective watched a portion of the tape the day kendrick johnson was found, and he asked the school board s information technology worker for a copy of the surveillance video for the entire wing of the school with the old gym for the last 48 hours. five days later, that i.t. worker provided a hard drive, and according to the incident report, the detective verified it contained the requested surveillance video. the investigator s responsibility is to acquire the entire digital video recording system, and then have their their staff define what they want to obtain. you don t want somebody who might be party to the responsibility to make the decision as to what they provide the police. reporter: and after hours of analysis, he questions whether the school provided all of the surveillance video from the old gym to investigators. there is a hole of time where none of the cameras provide any