CrossFit is the principal strength and conditioning program for many police academies and tactical operations teams, military special operations units, champion martial artists, and hundreds of other elite and professional athletes worldwide.
Resting 60 seconds between sets: Back squat 2-2-2-2-2-2-2-2-2-2
This should be 90-95% of 1RM, if working with a group of people may extend the rest, but try to keep rest uniform and minimized. There should be very little standing around, adjust weight if needed then lift.