Gloria Calvery was the main meter...
She and Carol Reed reacted in an adrenaline rush of panic after seeing Kennedy's brains blown out in front of them and they ran back to the steps...
Don't imagine that took more than 17 seconds...
Couch/Darnell has generally been accepted as being 25 to 30 seconds after the shots...
Kamp believes Couch/Darnell is 17-20 seconds after the shots...
