1 Samuel 19:5
“For he did put his life in his hand, and slew the Philistine, and the Lord wrought a great salvation for all Israel: thou sawest it, and didst rejoice: wherefore then wilt thou sin against innocent blood, to slay David without a cause?”
And I will go out and stand beside my father in the field where thou art, and I will commune with my father of thee; and what I see, that I will tell thee.
And Jonathan spake good of David unto Saul his father, and said unto him, Let not the king sin against his servant, against David; because he hath not sinned against thee, and because his works have been to thee-ward very good:
For he did put his life in his hand, and slew the Philistine, and the Lord wrought a great salvation for all Israel: thou sawest it, and didst rejoice: wherefore then wilt thou sin against innocent blood, to slay David without a cause?
And Saul hearkened unto the voice of Jonathan: and Saul sware, As the Lord liveth, he shall not be slain.
And Jonathan called David, and Jonathan shewed him all those things. And Jonathan brought David to Saul, and he was in his presence, as in times past.
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Related Verses
“And David enquired of the Lord, saying, Shall I go up to the Philistines? wilt thou deliver them into mine hand? And the Lord said unto David, Go up: for I will doubtless deliver the Philistines into thine hand.”
“That this shall be no grief unto thee, nor offence of heart unto my lord, either that thou hast shed blood causeless, or that my lord hath avenged himself: but when the Lord shall have dealt well with my lord, then remember thine handmaid.”
“Therefore David ran, and stood upon the Philistine, and took his sword, and drew it out of the sheath thereof, and slew him, and cut off his head therewith. And when the Philistines saw their champion was dead, they fled.”
“And David said unto him, How wast thou not afraid to stretch forth thine hand to destroy the Lord’s anointed?”
“And thou hast shewed this day how that thou hast dealt well with me: forasmuch as when the Lord had delivered me into thine hand, thou killedst me not.”