Parashat Shemoth, Licence to kill

Permit to kill?
Midrash, Proshath derochim, Shiluch ldvar avera, Masas Binyomin, Ramban, Rabothenu Hatzarfatiim, French Rabbis, Rashi Rambam, Miscarriage, Jewish Doctors,

Who died last from the Shvatim?
Mercha Kefula?