Marybeth Tinning, Date of Birth, Place of Birth
TweetMarybeth Tinning
victim of Munchausen Syndrome, serial killer
Date of Birth: 11-Sep-1942
Place of Birth: Duanesburg, New York, United States
Profession: serial killer
Nationality: United States
Zodiac Sign: Virgo 
About Marybeth Tinning
- Marybeth Roe Tinning (born September 11, 1942) is an American serial killer.
- In 1987, Tinning was arrested and convicted for the murder of her ninth child, 4-month-old daughter Tami Lynne on December 20, 1985.
- Laboratory testing indicated the death of Tinning's ninth child resulted from asphyxia by suffocation.
- Marybeth is suspected to be similarly involved in the previous deaths of her eight children.Nine Tinning children died under Marybeth's care over fourteen years.
- Cause of deaths for the first eight children was initially thought to be genetic.
- Even when their 1978 adopted sixth child, Michael, who was not of blood relation, died in 1981, authorities failed to open an investigation into his death.
- After investigating the other children's deaths, the Schenectady County prosecutors only had enough evidence to charge Tinning in one child's death.
- In July 1987, she was convicted of second-degree murder.
- and sentenced to 20 years to life.
- An appeal of her case to the New York Supreme Court argued Tinning's confession to the crime was coerced and there was insufficient evidence to convict her, but this appeal was denied.Tinning's diagnosis of Munchausen syndrome by proxy (MSBP) has come into question.
- It is unclear if she has ever been diagnosed with MSBP.
- Analyzing her recurring events, some believe Tinning's pattern of behavior aligns perfectly with the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition's (DSM-5) Development and Course section on the disorder: "In individuals with recurrent episodes of falsification of signs and symptoms of illness and/or induction of injury, this pattern of successive deceptive contact with medical personnel, including hospitalizations, may become lifelong."Tinning was incarcerated at Taconic Correctional Facility for Women in Bedford Hills, New York.
- She was denied parole six times, but was granted parole at her seventh hearing in July 2018 and was released on August 21, 2018.
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