READ MORE: http://www.lasvegasnow.com/news/metro-reports-of-person-with-gun-at-hoover-dam/1241695430
#UPDATE: In a photo sent to 8 News NOW from Keith Aronson, the suspect has notes taped to the window of the vehicle he's barricaded in. One note says "Mr. President release the reports," according to a passerby. #HooverDam #8NN