10. Why are ye come? The tribe of Judah were evidently living in contented servitude. For that reason they seem to express surprise at being overrun by the Philistines. After all, Samson was not of their tribe, and they had not shown any resentment against the Philistines.
To bind Samson. The Philistines were apparently not planning war against all the Hebrews. They sought Samson only. But evidently they had brought enough men with them so as to protect themselves against any surprise attack.