Exodus 2:12

And he looked this way and that way, and when he saw that there was no man, he slew the Egyptian, and hid him in the sand.

Cross References

Acts 7:24-26 And seeing one of them suffer wrong, he defended him, and avenged him that was oppressed, and smote the Egyptian: For he supposed his brethren would have understood how that God by his hand would deliver them: but they understood not. And the next day he shewed himself unto them as they strove, and would have set them at one again, saying, Sirs, ye are brethren; why do ye wrong one to another?