A woman has died after being stabbed 20 times by her husband's ex-boyfriend. Photo shows Alessandra Rodrigues Leite, undated. She was allegedly killed with more than 20 stab wounds by her husband's ex-partner, Eguinaldo Carlito Carlos, in Itanhaem, Brazil. (Alessandra Rodrigues Leite/Newsflash) The victim has been named as Alessandra Rodrigues…