TSK · 1 Samuel 22:6

She lived under the palm tree of Deborah between Ramah and Bethel in the hill country of Ephraim: and the children of Israel came up to her for judgment.

It happened on the next day, that an evil spirit from God came mightily on Saul, and he prophesied in the midst of the house. David played with his hand, as he did day by day. Saul had his spear in his hand;

Saul cast his spear at him to strike him. By this Jonathan knew that his father was determined to put David to death.