convicted in 1999 of murdering eight of her children between 1949 and 1968. Waneta Hoyt was an American serial killer who was convicted of killing all five of her children between 1965 and 1971. General: List of serial killers in the United States References External links Marybeth Tinning Parole Board Transcript- parole denied, NYS DOC and Community Supervision, January 10, 2017. Marybeth Tinning Parole Board Transcript - parole granted, NYS DOC and Community Supervision, July 10, 2018. Child Abuse Pages - The Tinning Children at ANGELIZD's Place. PEOPLE v. TINNING The People of the State of New York, Respondent, v. Marybeth Tinning, Appellant at leagle.com. 1942 births 1985 in New York (state) 1985 murders in the United States 20th-century American criminals American murderers of children American people convicted of murder American prisoners sentenced to life imprisonment Crimes in New York (state) Criminals from New York (state) Filicides in New York (state) Infanticide Living people People convicted of murder by New York (state) People from Duanesburg, New York People from Schenectady, New York Prisoners sentenced to life imprisonment by New York (state) Suspected serial killers