When Saul sent the men to capture David, Michal said,1 "He is ill."
References for 1 Samuel 19:14
Then Saul sent the men back to see David and told them, "Bring him up to me in his bed so that I may kill him."
But when the men entered, there was the idol in the bed, and at the head was some goats' hair.
Saul said to Michal, "Why did you deceive me like this and send my enemy away so that he escaped?" Michal told him, "He said to me, 'Let me get away. Why should I kill you?' "