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Detectives again question husband of Miami-Dade slain woman

Miami-Dade detectives on Monday evening were again questioning the estranged husband of a woman found murdered along with her two young daughters inside a bedroom closet.

Investigators also found Gladys Machado’s missing car near the Kendall home of husband, Alberto Luis Sierra, 28.

Machado was last seen the night of Nov. 10, when she and her daughters left her grandmother’s Homestead house, where they had been staying since she split with Sierra.

The bodies were not found until Tuesday afternoon some 30 miles north, at the home Machado had previously lived at with Sierra on the 7300 block of Northwest Fourth Street in Flagami. A woman who rents an efficiency in the home found Machado and Julia and Daniela Padrino, ages 8 and 4, laid out inside a closet. Police have not released how they died.

Detectives, armed with a search warrant, searched Sierra’s mother’s home, where he lives, according to people with knowledge of the probe.

Miami-Dade police have not named Sierra, 28, a suspect or even a “person of interest.” A Miami-Dade police spokesman declined to comment Monday.

A convicted felon with a long rap sheet, Sierra walked into the Kendall substation last Wednesday. After homicide detectives questioned him for several hours, he was allowed to leave. His criminal history includes convictions for drugs and weapons.

Back in 2010, Machado told police he bit her arm during a heated argument. Investigators later found him with 79 grams of Ecstasy, a stolen 9mm Smith & Wesson pistol and ammo.

After he was sentenced to one year of probation, he and Machado were married in October 2011.

That same month, Sierra was also investigated by the state’s child welfare agency after Julia told a teacher that her stepdad had bitten her on the arm.

The girls’ biological father asked for sole custody of the children, but the Department of Children and Families closed out its investigation when Sierra was again arrested in November on charges of possessing a firearm by a convicted felon. At the time, he was living with Machado at the same Flagami-area house where she was later found dead.

Officers seized a rifle, a shotgun and ammo. His probation was also revoked and Sierra later pleaded guilty and was sentenced to 364 days in a Miami-Dade jail.

In June, Sierra was released from a Miami-Dade jail and had returned to living with Machado. It is not known when the two separated.

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