Our investigators looked at the helmet and based on the extensive damage it had, we believe the helmet was in use at the time of the crash, ... We do not yet know if it was a helmet malfunction or whether it was not on properly.  -   Kim Miller     Quotes
Our investigators looked at the helmet and based on the extensive damage it had, we believe the helmet was in use at the time of the crash, ... We do not yet know if it was a helmet malfunction or whether it was not on properly. Kim Miller