CNN CNN Newsroom August 24, 2013 21:53:00
>> welcome. welcome. >> reporter: while iris scanning may be effective, it does raise concerns, especially when it is used in schools. >> i would -- wonder where the database for this information is going to go naturally. >> reporter: for now, the information collected by the scanners is owned by the school district. but as the market expands, so do the possible security risks. >> there is going to be people that come into this market that don't have the thought process, if you would, that -- aren't going to be security safety driven. naturally that's going to happen. we wouldn't make sure tha...