MIAMI (Court TV) — A young man whose mother and sisters were killed became emotional and had to be removed from the courtroom on Tuesday after he began yelling at the defendant.
Alberto Sierra sits in court on Oct. 6, 2026. (Court TV)
Alberto Sierra, 42, pleaded guilty to murder, burglary, kidnapping and abuse of a dead body in the deaths of his estranged wife, Gladys del Carmen Sierra, and her two daughters, Julia, 6, and Daniela, 4. Prosecutors are seeking the death penalty and have been presenting testimony for more than a week to jurors, who will ultimately recommend life or death.
After days of testimony about the evidence that led police to the defendant and videos of Sierra offering the disturbing details of his crimes, the jury heard from family and friends of the victims on Tuesday…