that from the vice president. >> let's discuss all of this with our cnn law enforcement analysts. retired fbi supervisor james gall ya know. joe has been with us all morning as we have been trying to make sense of this horrific breaking news. it's just staggering, the numbers. we all gasp. ed when we heard it. it was bad enough when we thought 20 people were killed and the then the number they are confirming that 50 people were killed for 50 people to have been killed in one incident at one outdoor concert. that tells you as law enforcement a few things. what have you learned. >> it makes it easier he had an elevated position. this was an ambush. he set up an ambush zone and it was a killing field. you look at what happened in orlan orlando. and the shooter was on the ground. made entry and kept everybody