Bible Verses About Kings: Often exercised power arbitrarily

And David answereth Rechab and Baanah his brother, sons of Rimmon the Beerothite, and saith to them, `Jehovah liveth, who hath redeemed my soul out of all adversity,

when one is declaring to me, saying, Lo, Saul is dead, and he was as a bearer of tidings in his own eyes, then I take hold on him, and slay him in Ziklag, instead of my giving to him for the tidings.

Also--when wicked men have slain the righteous man in his own house, on his bed; and now, do not I require his blood of your hand, and have taken you away from the earth?'

And David commandeth the young men, and they slay them, and cut off their hands and their feet, and hang them over the pool in Hebron, and the head of Ish-Bosheth they have taken, and bury it in the burying-place of Abner in Hebron.