Ricardo Alberto Barreda (16 June 1936 – 24 November 2020)[1] 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 from a cardiac arrest.
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