‘I went crazy’: Miami-Dade jurors hear confession in 2012 triple murder

Jurors hear Miami man's taped confession to murders of wife, 2 girls in trial: "I don't know, I went crazy"

Detective Juan Chaidez testified that Alberto Sierra confessed days after the 2012 killings of his estranged wife and her two young daughters, after being confronted with DNA evidence.

‘You took them': Surviving son confronts family's killer, leaving courtroom in tears

Michael Padrino was 5 years old when Alberto Sierra, whom he once called "Papi," suffocated Gladys Machado, 6-year-old Julia and 3-year-old Daniela in 2012.

Alberto Sierra Said He Looked Away as Wife Struggled to Breathe, Detective Tells Death Penalty Jury

A Miami jury heard details of Alberto Sierra's confession during the penalty phase of his murder case, as prosecutors seek execution and his lawyers argue for life without parole.

‘I went crazy’: Miami-Dade jurors hear confession in 2012 triple murder

As Alberto Sierra sat stoically in court, jurors heard his calm voice in a VHS-recorded statement taken Nov. 19, 2012, nine days after the murders and six days after the bodies of estranged wife and her two young daughters were found.

Killer said he looked away so he wouldn’t have to see wife’s face as he suffocated her, detective says

MIAMI (Court TV) — A detective told a Florida jury on Monday that a man confessed to sexually abusing the bodies of his wife and stepdaughter after killing them and leaving their bodies in a closet. Alberto Sierra sits in court on Oct. 5, 2026. (Court TV) Because 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 daughters, Julia, 6, a…