'Womb raider' Lisa Montgomery researched 'caesareans' and 'birthing kits' before killing a cutting a baby from the stomach of an expectant mum.
Montgomery, 52, was sentenced to death after strangling 23-year-old Bobbie Jo Stinnett, then eight months pregnant, and cutting the baby from the her body in 2004.
She the only woman on federal death row, died at 1.31am (local time) after receiving the lethal injection at the federal prison complex in Terre Haute, Indiana.
Investigators revealed how an examination of her computer records found she had researched caesareans along with birthing kits.
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