Grant Fredricks News Today

"This jury needs to hear from me, and hear the truth," Aaron Dean said as he took the stand Monday. Dean admitted to doing "bad police work" during intense cross-examination from prosecutors.

There to be some record of that activity and we dont have any here. >> heres why fredricks 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 the surveillance camera just outside the gym door. we count seven male students, and three of them walk into the gym within three minutes prior to kendrick johnson walking in. >> i cant tell you whether there was no information rec...

Mistake. >> according to lowndes counties sheriffs office, the asked 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 investigators response is to akwiert entire digital video recording system and then have their staff define what the want to obtain. you dont want s...

Was not altered or edited by anyone within the lowndes county sheriffs office. >> we believe it somebody corrupted this video because it just does not make sense to us. >> reporter: so whos right? to find out we took our copy of the video provided to cnn by the attorney for the sheriffs office to an expert. >> we brought the hard drive more than 2300 miles here to spokane, washington, to deliver it to the leading expert in forensic video analysis, grant fredricks. hes a former police officer, a ...

Hundreds of hours of surveillance from lowndes high school. although he does not believe the jumpy video is the result of editing, he says there are some other major problems. >> those files are not original files. theyre not something that an investigator should rely on for the truth of the video. theyve been altered in a number of ways, primarily in its quality, and likely in dropped information, information lost. there are also a number of fielts that are corrupted because theyve not been pro...

City. officials today repeatedly urged the public to turn in information they have to authorities. >> we are looking for the publics cooperation. if theres any video, any photographic evidence. please contact the fbi hotline or the citys hotline. >> various video submissions of the area around the crime scene, crime scenes, that were taken around the time of the blast, both before and afterwards. all video like this, we encourage the public and particularly business owners in that area to contin...

Your own, youre alone. not only do you have to make the fusing and firing system, you have to purchase the components, deliver the device. youve got a chance of being seen. then you could have a couple of conspirators of multiple conspirators as well. >> all right, grant fredricks and james cavanaugh, thank you both for your time tonight. i appreciate i. coming up, more on the national reaction to the attack. well be right back. ♪