Luke
Acts 12:2ESV·traditional attribution

He killed James the brother of John with the sword,

Matthew Henry Presbyterian @wholebiblehenry

Ever since the conversion of Paul, we have heard no more of the agency of the priests in persecuting the saints at Jerusalem; perhaps that wonderful change wrought upon him, and the disappointment it gave to their design upon the Christians at Damascus, had somewhat mollified them, and brought them under the check of Gamaliel's advice - to let those men alone, and see what...

Commenting on Acts 12:1-4

John Gill Reformed Baptist @doctorgill

And he killed James the brother of John with the sword. This was James, the son of Zebedee, whom our Lord told, that he should be baptized with the baptism he was baptized with, Mat 20:22 meaning the baptism of martyrdom; and he was the first martyr among the apostles: the death he was put to was one of the four capital punishments among the...

Albert Barnes Presbyterian @notesbybarnes

Verse 2. And he killed, etc. He caused to be put to death with a sword, either by beheading, or piercing him through. The Roman procurators were entrusted with authority over life, though in the time of Pilate the Jews had not this authority. James the brother of John. This was the son of Zebedee, .