Ricardo Alberto Barreda (16 June 1936 – 24 November 2020) was an Argentine dentist who was sentenced to life imprisonment for the murders of his wife, Gladys McDonald, his two daughters, Cecilia and Adriana Barreda, and his mother-in-law, Elena Arreche, on 15 November 1992. He was granted parole on 29 March 2011. Barreda died nine years later at a care home with

Alzheimer's disease Alzheimer's disease (AD) is a neurodegenerative disease and the cause of 60–70% of cases of dementia. The most common early symptom is difficulty in remembering recent events. As the disease advances, symptoms can include problems wit ...

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cardiac arrest Cardiac arrest (also known as sudden cardiac arrest CA is when the heart suddenly and unexpectedly stops beating. When the heart stops beating, blood cannot properly Circulatory system, circulate around the body and the blood flow to the ...

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{{DEFAULTSORT:Barreda, Ricardo 1936 births 2020 deaths Argentine dentists Argentine mass murderers Argentine prisoners sentenced to life imprisonment Deaths from ventricular tachycardia Familicides Femicide in Argentina National University of La Plata alumni Violence against women in Argentina 20th-century mass murder in Argentina