they re fake, worth 3 bucks a pair. an investigation is under way on friday, august 17th, 2012. from nbc news, this is today with matt lauer and savannah guthrie, live from studio 1a in rockefeller plaza. form. welcome to today. i am savannah guthrie. i am will geist. that shooting in afghanistan is being investigated but we can tell you the gunman was shot and killed. this is the sixth time something like this happened in the past two weeks, highlighting a recent spike in violence in afghanistan. we re going to have details straight ahead. and the investigation under way into a deadly parasailing accident in florida. she was riding with her husband when she fell more than 150 feet from her death. we ll hear from her heartbroken father. when you buy sunscreen, you probably think the higher the spf, the better you re protected, it costs more money. some doctors say it is nothing but a misleading marketing ploy. what we found out. and savannah is extra excited