[3] Heinrich Meyer suggests that these events took place in 44 AD,[5] the year of the death of Herod Agrippa, at the same time as the prophets from Jerusalem travelled to Antioch and returned with aid for the Judean church.

[9] This part of the chapter tells that after Peter was put into prison by King Herod, on the night before his trial an angel appeared to him, and told him to leave.

[3] The account's focus returns briefly back to the prison, where Herod, "depicted as a typical persecuting tyrant",[3] vents his frustration on the guards.

[16] There is an irony in the situation, in that "neither the soldiers nor Herod share the readers' privileged knowledge of Peter's secret" and whereabouts.

[5] This part contrasts the death of the persecutor with the successful growth of God's word (verse 24) with the expansion of the church (cf.