Melissa Ann Shepard (née Russell; born May 16, 1935), also known as Melissa Ann Weeks, Melissa Ann Friedrich, Melissa Ann Shephard and Melissa Ann Stewart, sometimes given the sobriquet of Internet Black Widow, is a Canadian murderer and habitual offender. Friedrich has been convicted of manslaughter in the death of one of her husbands, convicted of poisoning another, and convicted of numerous fraud offenses.