1)
Having discussed where the murderer killed the victim with metal, stone or wood, what is this Pasuk referring to?
1.
Sifri: It is referring to where he killed him by deliberately pushing him off a roof 1 (or by throwing pegs or beams of wood at him or rolling (large) stones on to him - Targum Yonasan).
1
See Torah Temimah, note 33.
2)
What does "bi'Tzediyah" mean?
1.
Rashi: It means that he lay in wait for him (and actually meant to kill him - .
