Response:
Oh, so it is smarter to kill one early on to alert the rest of them right away, potentially endangering your VIP without having verified their intentions first? Does that really sound smarter to you?
Reader:
Kind of incredibly dumb of her to drag until the last moment before trying to get rid of enemies.
When they were all together, they were not only harder to fight, but her mother would be a hostage. She also lost the surprise advantage.