## were you not made the head of the tribes of Israel? ##

Saul knows that God made him king, this question is used for emphasis. (See: [[rc://en/ta/man/translate/figs-rquestion]])

## Why then did you not obey the voice of Yahweh, but instead you seized the booty and did what was evil in the sight of Yahweh? ##

This questions is asked to rebuke Saul for disobeying Yahweh.

## but instead you seized the booty ##

The Law of Moses specifically states when God instructs Israel to completely destroy a nation, nothing is to be kept. It is all marked for destruction as a burnt offering to God. Nothing was to be kept or brought back to camp.