Affidavits cite threats

Police: Cisneros repeatedly spoke of killing baby, herself

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Luz Cisneros

— The mother of slain 1-year-old Brianna Simon had threatened to kill herself and her daughter in the weeks leading up to the Sept. 6 incident that left Brianna dead in her Steamboat Springs home, according to police affidavits made public Thursday.

The newly released documents reveal what Steamboat Spr-ings police officers believe happened on the day of Brianna's alleged murder. Luz Cisneros, Brianna's mother, was arrested the day of her daughter's death on a charge of first-degree murder. She is awaiting trial.

According to sworn police affidavits, Isaias Simon, Cisneros' boyfriend of three years and Brianna's father, ended his relationship with Cisneros about three weeks before their daughter's death. Simon, according to the affidavits, told police Cisneros made daily threats against herself and their daughter in an attempt to salvage the relationship. On Sept. 5, the couple went to the Routt County Courthouse, the Routt County Department of Human Services and a local law firm to inquire about child custody and child support documents. Simon, the affidavits said, told officers they obtained the documents and that he and Cisneros began filling them out together.

The next morning, according to the affidavits, Simon told officers Cisneros grabbed a knife from the kitchen and held it to Brianna's neck and stomach, threatening to kill their daughter and herself. According to the affidavits, Cisneros told Simon that she broke his cell phone and hid her phone. Simon then left their Walton Pond apartment to go to a nearby neighbor's home to call 911.

When Simon returned to the apartment, it was locked, he told police. Officers who responded to the 911 call forced their way into the apartment, according to the affidavits. Once inside, police said they saw Cisneros come down the stairs holding Brianna in her arms. Cisneros and her daughter were covered in blood, and one of the officers said he saw lacerations on both of their necks. Cisneros placed Brianna on the sofa and closed her daughter's eyes, according to an affidavit.

Brianna was taken from the apartment by medical personnel. She was taken to Yampa Valley Medical Center, where she was pronounced dead shortly after arrival. A preliminary autopsy result indicated Brianna died from a "total transection of the left jugular vein" due to an "incised wound to the neck."

Cisneros also was taken to the hospital, where she was treated for her injuries and booked later that night into Routt County Jail on charges of first-degree murder.

According to the affidavits, officers interviewed Cisneros on the day of Brianna's death. Police said Cisneros told them Simon had started seeing another woman. Cisneros also said she had made plans to move to Wisconsin with Brianna. Officers said Cisneros acknowledged threatening to kill herself and her daughter if Simon didn't come with them. On Sept. 6, when Simon again refused to move to Wisconsin, Cisneros told officers she cut Brianna's neck and her own, according to the affidavits.

Officers said Cisneros told them she regretted that she didn't die that day, too.

Cisneros is being represented by attorneys from the Public Def-ender's Office. Public defender Sheryl Uhlmann couldn't be reached for comment Thursday. During Wednesday's hearing, Uhlmann argued that releasing the case records would violate Cisneros' right to a fair trail, taint the potential jury pool and force the trial to be held outside of Routt County.

The Steamboat Pilot & Today obtained access to the previously sealed affidavits and search warrants after a judge ruled Wednesday that the documents be made public. An affidavit is a written statement made under oath in front of an authorized official, usually a judge.

Police obtained cell phones and a computer from the home Sept. 6. A second search warrant allowed police to collect knives, "documentation of suicidal intent" and other "trace evidence."

Cisneros, who appeared for a court hearing Wednesday, returned Monday from the Colorado Mental Health Institute in Pueblo. Cisneros said little during Wednesday's hearing, but lowered her head and teared up at the mention of her daughter and the alleged events of Sept. 6.

Cisneros is scheduled to appear in Routt County Court at 3 p.m. Oct. 31.

Comments

jlkar 7 years ago

What a selfish tragedy. Absolutely unbelievable that a mother could be void of maternal instinct all because of a failed relationship. best of luck to Mr. Simon.

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justmyopinion 7 years ago

Did the public really need to know the details of this little girls death? Wasn't it enough just hearing about an innocent life being taken??

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routtcoguy 7 years ago

As much as I am all for the freedom of information, I wish you guys had left this one alone. Doesn't look like the trial will be here....

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dave reynolds 7 years ago

pt22..I stand and take out one of your family in plain sight and have several witness..I'm guilty a H..l..why waste the tax payers moneys sure I'm innocent untill proven guilty but its obvious I am..thats musknosumpin point she did it and she knows it..sad tradgey

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whyquestion 7 years ago

why didn't BW at social services do something to help this mother and protect this child???????????will there be an investigation of the lawyers and social services in this case???? their needs to be!!!!!!!!!!!!1 after all they are supposed to be PROFESSNALS!!!!!!!!!

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