The Person arrested was the member known as T,or Tony.He was at Nick's concert working as extra security when two gang member's walked up and pointed guns at a women he met at the concert.Tony started shooting then the boys started shooting back after 25 seconds of them shooting it out the female and two males were gunned down.Luckily Tony had took cover.The Whole shootout was recorded on tape by camera's in the parking lot of the concert in New York.NYPD have observed the video's and have concluded that he started shooting for selfish reasons not self defense.Chief of police said that the security guard should have been guarding Nick instead of that women he shot.