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METAIRIE, La.- Jefferson Parish deputies are searching for a man who allegedly killed his girlfriend and fled the crime scene after abducting his three children.

Deputies say Pedro Alberto Monterroso-Navas, 43, is wanted for the killing of Heidi Monroy, his 24-year-old girlfriend. They say he abducted his three children before fleeing the scene. He faces a second-degree murder charge.

The manhunt began after authorities responded to a medical call in the 4000 block of Durand Street at about 3:35 a.m. Sunday. Two of the couple's children, a 5-year-old and an 8-year-old, had gone to a neighbor's house to tell them something was wrong with their mother.

Sheriff Newell Normand said they found an woman in a bathtub unconscious. The woman suffered from blunt force trauma to the head. She was pronounced dead on the scene.

Normand said Monterroso-Navas fled the scene with three of his children, including his daughter, 12-year-old Jessica Nicolle Monterroso, and two sons, 4-year-old Yojan Manuel Monterroso-Flores and 2-year-old Jafet Abigaitl Monterroso-Monroy.

The sheriff's office released pictures of the 12-year-old and the 2-year-old, which you can see to the right. They do not have a picture available of the 4-year-old.

The 2-year-old is the biological son of Monroy and Pedro Monterroso-Navas. The 12-year-old and 4-year-old are the biological children of Pedro Monterroso-Navas, while the 8-year-old and 5-year-old are Monroy's biological children.

The couple reportedly does not own a vehicle, and it's not clear how Monterroso-Navas escaped with the kids.

Normand said Monterroso-Navas is a 43-year-old hispanic male with brown hair. He also goes by the name Wilson Rigoberto Mina. He was last seen wearing black pants and a blue shirt. He has a limp when he walks.

The sheriff's office originally said that Pedro and Monroy were married; however, they said later Sunday that was not the case.

Call the Jefferson Parish Sheriff's Office at 504-364-5300 or '911' if you've seen Monterroso-Navas or his children.

View Jefferson Parish Murder Map -- 2014 in a larger map

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