`` They did exactly what they were supposed to do to protect people in the museum . '' Stephen Tyrone , who ` ` heroically in the line of duty , '' museum said . He is 88-year - old white supremacist , law enforcement officials said . Man with ` ` long gun '' entered museum , fired at guard , police officer said . Security guard and shooter were wounded in exchange of gunfire , police say .
Stephen Tyrone , who ` ` heroically in the line of duty , '' museum said . He is 88-year - old white supremacist , law enforcement officials said . Man with ` ` long gun '' entered museum , fired at guard , police officer said . Security guard and shooter were wounded in exchange of gunfire , police say .