What does Judges 15:6 mean?

The Philistines asked, 'Who did this?' They were told, 'Samson, because his father-in-law gave his wife to someone else.' So the Philistines went and burned Samson's wife and her father to death. Judges 15:6 - Modern Text Bible

(The Philistines retaliate brutally, killing Samson's wife and her father, showing the cycle of violence.)