Acts 5:30

ὁ θεὸς τῶν πατέρων ἡμῶν. The Apostles point out, just as Peter did (Acts 3:13), that there is no severance of themselves from the worship of the Covenant God of Israel. On the contrary they were teaching that His promise through Moses had now been fulfilled, since in Jesus the promised prophet had appeared. Cf. Deuteronomy 18:15, and St Peter’s speech, Acts 3:22.

ὃν ὑμεῖς κ.τ.λ. Render, whom ye hanged on a tree and slew. This sentence describes the Roman, and not the Jewish mode of execution. By the Jewish law only those who were already dead were to be hanged (Deuteronomy 21:22; Joshua 10:26).

In the word διεχειρίσασθε the Apostles point out that the guilt of the Crucifixion was as truly upon the Jews as if they had slain Jesus with their own hands. The phrase κρεμάσαντες ἐπὶ ξύλου is used again (Acts 10:39) by St Peter, and by nobody else in the N.T. He also has ξύλον = tree, for σταυρός, a cross, in 1 Peter 2:24, ‘He bare our sins in His own body on the tree.’