Cross reference
Exodus 2:12
12 And turning this way and that, and seeing no one, he put the Egyptian to death, covering his body with sand.
Acts 7:24-26
24 And seeing one of them being attacked, he went to his help and gave the Egyptian a death-blow:
25 And he was hoping that his brothers would see that God had sent him to be their saviour; but they did not see.
26 And the day after, he came to them, while they were having a fight, and would have made peace between them, saying, Sirs, you are brothers; why do you do wrong to one another?