What successful crisis leadership strategies (i.e., decision making, planning, and training) were displayed during the crisis event that led to the safe return of the 5 year old boy?

LINK: https://www.foxnews.com/us/military-tactics-equipment-helped-authorities-end-alabama-hostage-standoff

What successful crisis leadership strategies (i.e., decision making, planning, and training) were displayed during the crisis event that led to the safe return of the 5 year old boy?
If you were the senior FBI agent in charge, is there anything else that could have been done to save the life of the hostage taker?

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