Numbers 25:7
“And when Phinehas, the son of Eleazar, the son of Aaron the priest, saw it, he rose up from among the congregation, and took a javelin in his hand;”
And Moses said unto the judges of Israel, Slay ye every one his men that were joined unto Baal–peor.
And, behold, one of the children of Israel came and brought unto his brethren a Midianitish woman in the sight of Moses, and in the sight of all the congregation of the children of Israel, who were weeping before the door of the tabernacle of the congregation.
And when Phinehas, the son of Eleazar, the son of Aaron the priest, saw it, he rose up from among the congregation, and took a javelin in his hand;
And he went after the man of Israel into the tent, and thrust both of them through, the man of Israel, and the woman through her belly. So the plague was stayed from the children of Israel.
And those that died in the plague were twenty and four thousand.
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Cross-References
“He that sacrificeth unto any god, save unto the Lord only, he shall be utterly destroyed.”
“Be ye angry, and sin not: let not the sun go down upon your wrath:”
“And the evil spirit from the Lord was upon Saul, as he sat in his house with his javelin in his hand: and David played with his hand.”
“And when Phinehas the priest, and the princes of the congregation and heads of the thousands of Israel which were with him, heard the words that the children of Reuben and the children of Gad and the children of Manasseh spake, it pleased them.”
“Then stood up Phinehas, and executed judgment: and so the plague was stayed.”