Though they found no cause of death (mhdemian aitian qanatou euronte). Second aorist active with usual negative of the participle. As a matter of fact the Sanhedrin did charge Jesus with blasphemy, but could not prove it ( Matthew 26:65 ; Matthew 27:24 ; Luke 23:22 ). At this time no Gospel had probably been written, but Paul knew that Jesus was innocent. He uses this same idiom about his own innocence ( Acts 28:18 ). That he should be slain (anaireqhnai auton). First aorist passive infinitive, the accusative case, the direct object of hthsanto (first aorist middle indicative, asked as a favour to themselves).