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‘Jealousy, sibling rivalry’: Woman shot, killed sister and her 3-week-old baby, police say

Side by side photos of Yanelly Solorio-Rivera and her infant daughter
Yanelly Solorio-Rivera was shot and killed alongside her 3-week-old daughter, Celine Solorio-Rivera.
(Fresno County Sheriff’s Office)
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A Fresno woman and her boyfriend have been arrested in connection with the slaying earlier this year of the woman’s younger sister and her infant daughter, police said.

Yarelly Solorio-Rivera, 22, and Martin Arroyo-Morales, 26, were arrested Wednesday night on suspicion of murder, Fresno Police Chief Paco Balderrama said during a Thursday news conference. Balderrama said the pair confessed to killing Yanelly Solorio-Rivera and her 3-week-old daughter, Celine.

“We can now say with complete certainty that we have those responsible for this homicide in custody,” Balderrama said. “We have the murder weapon, a Smith & Wesson 9mm handgun, and we have a motive: jealousy and sibling rivalry.”

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Side by side mugshots of Yarelly Solorio-Rivera and Martin Arroyo Morales
Yarelly Solorio-Rivera, left, and Martin Arroyo Morales.
(Fresno Police Department)

On Sept. 24, police responded at 7:20 a.m. to a report of multiple gunshots in the bedroom of a residence in the 2500 block of South Fruit Avenue, according to authorities. Officers found Yanelly Solorio-Rivera and Celine suffering from multiple gunshots. Paramedics arrived and provided medical aid, but both were pronounced dead at the scene.

Balderrama said that it’s believed that Yanelly Solorio-Rivera was sleeping and holding her daughter in bed when she was shot.

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Police offered $25,000 in reward money to help solve the crime and released a video of a person of interest in the slayings, who has since been confirmed by Balderrama to be Arroyo Morales. Balderrama also said that Arroyo Morales is believed to have gang ties.

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