A Miami man pleaded guilty Friday to the 2012 murders of his wife and her two young daughters, accepting responsibility more than a decade after the crimes.
Alberto Sierra, 42, stood in a Miami-Dade County courtroom and entered guilty pleas to three counts of first-degree murder, burglary, three counts of kidnapping and two counts of abuse of a human corpse.
When asked by Miami-Dade Circuit Judge Marissa Tinkler-Mendez if he was ready to make the decision, Sierra replied, “It’s been 14 years, so.” When the judge asked for his plea, he responded, “I’m guilty.”…