NET
24 the commanding officer ordered Paul to be brought back into the barracks. He told them to interrogate Paul by beating him with a lash so that he could find out the reason the crowd was shouting at Paul in this way.
Darby
24 the chiliarch commanded him to be brought into the fortress, saying that he should be examined by scourging, that he might ascertain for what cause they cried thus against him.
KJV
24 The chief captain commanded him to be brought into the castle, and bade that he should be examined by scourging; that he might know wherefore they cried so against him.