Colonel Fuentes said almost all states now use similar systems.

"He is a modest guy who easily adapts to any conversation," Colonel Fuentes said.

Colonel Fuentes's statement provided the most complete description to date of the accident.

Colonel Fuentes said the arrests would cripple the leadership.

Colonel Fuentes, 52, takes command of the force during a particularly tumultuous period.

As the driver continued firing at other officers, a state trooper shot and killed him, Colonel Fuentes said.

"We haven't seen that in our investigation to date," Colonel Fuentes said.

Colonel Fuentes said he had asked the state's accident review board to study the crash and whether additional training was required for the governor's drivers.

Colonel Fuentes himself said Thursday night that "speed was not a factor" in the accident.

Colonel Fuentes said neither weather nor speed appeared to be a factor.