The Bywater man suspected of fatally stabbing his 18-month-old daughter early Tuesday told police that he let her bleed for hours after repeatedly stabbing her in the heart with a serrated kitchen knife, according to an arrest warrant.

Mark Selassie Hambrick, 45, said “God told him to murder his child so the state of Louisiana can kill him so he can be resurrected," the warrant says. 

Hambrick told police that he intended for his daughter, identified on social media as Amina, to bleed to death, but that she continued to cry in his arms for several hours. He then resorted to suffocation, according to the warrant.

The warrant says that despite Hambrick’s bizarre explanation for the killing, he admitted that “he knew what he did was wrong.”

Police are investigating whether Hambrick may have suffered from mental illness or substance abuse problems, according to Superintendent Michael Harrison.

The killing shocked Hambrick’s neighbors in the tidy 3100 block of North Rampart Street. Police were summoned there by a call from Hambrick himself about 7 a.m. Tuesday.

Detective Njiel Baddoo said that after he arrived he found the young victim lying in a bed with several stab wounds to her upper left chest.

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Hambrick is an analyst for the New Orleans Sewerage & Water Board. Before that he was the deputy chief administrative officer for the government of Jackson, Mississippi, and a consultant for a company in Slidell.

The child's mother, Monika Gerhart-Hambrick, is the director of Baton Rouge's Office of Community Development. She was at work when the killing occurred.

Staff writer Ramon Antonio Vargas contributed to this report.

Follow Matt Sledge on Twitter, @mgsledge. | (504) 636-7432