39And we are witnesses of all that he did both in the country of the Jews and in Jerusalem. They put him to death by hanging him on a tree,
Most likely Peter is referring to himself and the other apostles,1 or the believers who came with him may also have met with Jesus and heard from him during his earthly ministry. They were all witnesses of what he did, who can all affirm that Jesus’ ministry was in public.2
39 And we are witnesses of all that he did both in the country of the Jews and in Jerusalem. They put him to death by hanging him on a tree,