blogger liz gambener showed david wright how easy it is to hide incriminating photos. >> when you open it up and i type in my password and hit the percentage sign it's a hidden photo album. >> reporter: sending photos as easy as point and click. as snapchat, kik, yik yak, whis per, making sharing large numbers of files fast and easy. >> kids will always be savvier than mom and dad, one step ahead of us, that's the nature of the game. >> reporter: nicole's friend carrie said she tried to tell an adult months ago after she noticed nicole was communicating with an older man. >> i went to the officer at my school. and wrote down his name on a piece of paper and handed it to him. >> reporter: the blacksburg police department denying she alerted the officer about eisenhower saying, had a student or even nicole herself reached out to him in advance of her disappearance about anything that could cause concern, he would have act the on it through the appropriate channeledschannels. >> did you make this up? >> no. i think if he would have done something he could have seen the guys on her faceboo