PERRY, Iowa -- A 25-year-old man has been convicted of hacking to death his girlfriend, her teenage daughter and the landlord of their home in central Iowa.

A Dallas County jury took just two hours Tuesday to find Carlos Hernandez-Ventura guilty of three counts of first-degree murder. Prosecutors say he used a machete on Oct. 29 to fatally attack 34-year-old Lourdes Flor De Leake, 14-year-old Melany Barraza and 78-year-old Juan Jimenez Tejada at the home in Perry.

Hernandez-Ventura testified that Leake’s estranged husband ordered him to kill the three because the man feared they knew about his drug dealing. Hernandez-Ventura said Daniel Leake told him that he would kill Hernandez-Ventura and his family if he didn’t kill the three.

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Investigators testified that they found no evidence Daniel Leake was dealing drugs.