NET
20 Then they watched him carefully and sent spies who pretended to be sincere. They wanted to take advantage of what he might say so that they could deliver him up to the authority and jurisdiction of the governor.
Darby
20 And having watched [him], they sent out suborned persons, pretending to be just men, that they might take hold of him in [his] language, so that they might deliver him up to the power and authority of the governor.
KJV
20 And they watched [him], and sent forth spies, which should feign themselves just men, that they might take hold of his words, that so they might deliver him unto the power and authority of the governor.