Pamela Smart
Pamela Ann Smart (née Wojas; born August 16, 1967) is an American woman who was convicted of being an accomplice to first-degree murder, conspiracy to commit murder, and witness tampering in the death of her husband, Greggory Smart, in 1990. Smart, then aged 22, had conspired with her underaged sex partner, then 15-year-old William "Billy" Flynn, and three of his friends to have Greggory (24) murdered in Derry, New Hampshire. She is currently serving a life sentence at Bedford Hills Correctional Facility for Women, a maximum security prison in Westchester County, New York.
Source: Wikipedia