Woman charged with murder of her sister and newborn – and police say jealousy and sibling rivalry was to blame

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Fresno, CA: It is always heartbreaking for parents to see their children fighting. And it’s even worse when one of their siblings turns out dead because of it.

That was the case with two sisters from Fresno, California.

Yarelly Solorio-Riviera, 22, killed both her sister Yanelly and her newborn baby. Yarelly was not alone in the heinous act; her 26-year-old boyfriend got involved, too.

Woman charged with murder of her sister and newborn - and police say jealousy and sibling rivalry was to blame
Yarelly Solorio-Rivera was booked and charged with the murder of her sister and 3 week old newborn. Image courtesy of Fresno PD.

The victim, Yanelly Solorio-Rivera was only 18 years old and her baby daughter, Celine, was only 3 weeks old. Their young lives were tragically cut short over what authorities labeled an extreme case of ‘sibling rivalry.’

The police responded to the residence after neighbors called 911 after they heard gunshots from inside the house.

According to a Fox News column covering the disturbing case, it stated:

“Officers were called at about 7:20 a.m. on the day of the killings to a home over reports of multiple gunshots heard within a bedroom in the house, Fox San Francisco reported.”

 It continued:

 “Balderrama said ‘the scene was traumatic for all officers, detectives, EMS personnel, and crime scene technicians who responded to the scene.’”

Woman charged with murder of her sister and newborn - and police say jealousy and sibling rivalry was to blame
Yanelly Solorio-Rivera and her 3 week old infant, Celine. Image courtesy of Fresno PD.

Further investigation revealed the sisterly dispute stemmed from jealousy. Yarelly claimed her family members favored her sister throughout their entire lives. And the situation worsened after the younger sister recently gave birth to her daughter.

Police also found out Yarelly sought out advice and had been planning to murder her sister for some time. She managed to convince and recruit her boyfriend, Martin Arroyo-Morales, 26, who apparently also has no sense of compassion.

Her and her boyfriend, armed with a 9mm Smith & Wesson handgun decided to go through with the murder and shot the younger sister and her baby several times.

Woman charged with murder of her sister and newborn - and police say jealousy and sibling rivalry was to blame

The police are still meticulously investigating the case to figure out who pulled the trigger and other details. However, it still ultimately lead to a pre-meditated murder charge. They are not releasing any more information on the case other than the crime scene was a horrific one and traumatized the team handling the case.

It is calls and incidents like this that lead first responders to develop Post Traumatic Stress Disorder. If this sounds familiar, consider talking to a professional, they can help.

A Similar California Case

In another tragic case, a mother in California is also grieving over a court decision. Clarissa Guevara from West California was a victim of an attack by another woman in May 2022.

Guevara was picking up her 1-year-old from a daycare center when she was violently attacked in the parking lot. As Guevara was walking around her trying to get her baby and belongings settled inside her Toyota Camry, an unknown woman approached and immediately began attacking her from behind, throwing a slew of punches.

The unnamed attacker never attempted to communicate anything to the victim. There was no previous interaction that could explain the attack. She just violently continued blindly hitting and kicking Guevara and her 1-year-old daughter, all recorded on a nearby security camera.

The recording shows how Guevara struggled to evade the attack while trying to protect her 1-year-old daughter. At one point, the suspect hit the defenseless infant. It was then that Guevara’s natural motherly instincts kicked in and immediately fought back.

A local pedestrian observed what was going on and dialed 911. Local police were quick to respond and immediately apprehended the deranged suspect.

The Suspect’s Release

To add insult to injury, the woman was set free and the charges dropped due to the current backlog in the judicial system. The West California court system apparently doesn’t have enough judges, defense, and other clerks to oversee this case. And since it was a misdemeanor case, Guevara can’t resubmit the file and seek justice for her and her daughter.

Woman charged with murder of her sister and newborn - and police say jealousy and sibling rivalry was to blame
Security footage of Guevara being attacked. Image screenshots taken from Fox News YT channel and Guevara’s FB page.

Guevara wasn’t alone in her issue.

The court has been releasing countless suspects and perpetrators because they don’t have any more space or staff to properly address the legal court system which has been on backlog even before the pandemic. The Covid-19 pandemic only worsened the already poorly run system and pushed the backlog even further.

We hope both Guevara and Yanelly Solorio-Rivera and their babies all get justice. It’s always a heinous crime whenever a baby is involved, the most we could hope for is justice and closure.

We also hope the murder suspect, Yarelly Solorio-Riviera and her boyfriend and their defense attorneys don’t find another loophole to exploit. The victims deserve better than that, and the suspects deserve to spend the rest of their lives in jail.

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Woman charged with murder of her sister and newborn - and police say jealousy and sibling rivalry was to blame

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