Alberto Sierra, 42, admitted to suffocating his estranged wife, Gladys Machado, 29, and her daughters Julia, 6, and Daniela, ...
Alberto Sierra, who suffocated his wife and her young daughters with a plastic bag, is missing part of his brain, a ...
In a 40-minute statement, Alberto Sierra elaborated on how he killed Gladys Machado and her daughters Julia and Daniela.
Miami-Dade prosecutors say Alberto Sierra, who confessed to killing his estranged wife and her two young daughters, should die for the brutal crime.
Jurors are tasked with deciding whether Alberto Sierra should be condemned to Florida's Death Row or sentenced to life in prison.
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