Police claim they have no idea what drove 32-year-old Alexander Hung Tran to murder

By Chris Harris
Updated September 21, 2015 04:40 PM
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On Friday, police charged a Salt Lake City, Utah, man in the shooting deaths of three people, including a 2-month-old baby girl.

Salt Lake City Police Detective Greg Wilking tells PEOPLE that Alexander Hung Tran was arrested on three homicide counts after three bodies were discovered inside his residence.

Two of the victims were identified as 50-year-old Heike Poike and her infant granddaughter, Lyrik Poike. Dakota Smith, a 28-year-old man described by Wilking as an “acquaintance of Poike’s,” was also killed Friday.

Police found the bodies after being dispatched to check on Poike, who had failed to pick up her 8-year-old grandson – Lyrik’s brother – from school.

Wilking says authorities are still trying to establish a motive for the murders, noting that Poike and the baby lived in Tran’s house but on different floors.

“This is not normal,” Wilking says of the slayings. “What his motivating factor was, we just don’t know at this point.”

Tran will be arraigned sometime next week.

Wilking says Tran has a lengthy criminal record that includes a number of minor offenses. Tran has not yet entered a plea to the new charges against him.

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