investigators are always suspicious and should be suspicious and it's suspicious that that time period is not there. so, yes, i would be suspicious. and until i have the digital video system in my hand, until i can say or an investigator can say everything is in tact, this is what was recorded, i would be highly suspicious of this. >> reporter: so after fighting for months on a city street corner and in the county courthouse to get the survey lensz 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. >> victor blackwell joins us. so what does the school district and sheriff's department say? >> anderson, we sent a long list of questions to both an attorney for the sheriff's office and an attorney for the school district. we have not received an answer to the question from the attorney from the her riches office but received a response from the attorney for the school district. no comment.