Coney Island Drownings End in Guilty Plea
Case summary
On September 12, 2022, Merdy drowned her three children, Zachary (7), Liliana (4), and Oliver (3 months), in the ocean near the Coney Island boardwalk. She was arraigned from a hospital where she was sent for psychiatric evaluation, and the case proceeded slowly through competency and pretrial stages. In March 2026 she pleaded guilty to murder in the deaths of her three children, and on May 20, 2026, she was sentenced to 20 years to life in prison. Relatives had described her as suffering from untreated mental illness, including postpartum depression, in the period before the deaths. The case renewed attention to gaps in mental health and social service intervention for struggling mothers in New York.
Mental-health context
Family members and court proceedings indicated Merdy was struggling with mental illness, with relatives describing postpartum depression after the birth of her youngest child; she underwent psychiatric evaluation and extended competency proceedings before the case was resolved.
Status / outcome
Guilty plea (March 2026); sentenced May 2026 to 20 years to life
Sources
- https://brooklynda.org/2026/05/20/brooklyn-mother-sentenced-to-20-years-to-life-in-prison-for-killing-her-three-children/
- https://www.cnn.com/2026/05/20/us/coney-island-drowning-mother-sentenced
- https://abc7ny.com/post/mom-drowned-3-kids-coney-island-beach-nyc-sentenced-20-years-life/19140933/
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