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4 teens, 4 adults arrested after September killing of 16-year-old boy in Nampa

Maribel Menchaca
Maribel Menchaca

Nampa police arrested four adults and four teenagers Thursday in connection with the fatal shooting of a 16-year-old in September, according to a Nampa Police Department news release.

Roberto Angel Gomez died at a hospital from multiple gunshot wounds on Sept. 25. He was near 11th Avenue North and Powell Avenue in Nampa when he was shot. At the time, police did not list any suspects.

Two people are charged with first-degree murder: Maribel Menchaca and Juan Menchaca Olvera, who are mother and son, both of Nampa.

Criminal indictments alleged both Maribel Menchaca and Juan Menchaca Olvera shot Gomez. Menchaca Olvera was also charged with robbery for allegedly taking money and a semi-automatic handgun from Gomez.

The other six suspects are charged with aiding and abetting, accessory, robbery or perjury.

All of the teenagers are being charged as adults.

With assistance from Caldwell police and the United States Marshals Service, the following individuals were arrested after investigations:

  • Maribel Menchaca, 42, of Nampa — first-degree murder and robbery

  • Juan Menchaca Olvera, 16, of Nampa — first-degree murder and robbery

  • Elizabeth Esparza, 28, of Caldwell — accessory to first-degree murder, aiding and abetting robbery, and perjury

  • Olivia Hernandez-Santana, 35, of Caldwell — accessory to first-degree murder, intimidation of a witness and perjury

  • Jose M. Menchaca, 39, of Nampa — aiding and abetting robbery

  • Jose A. Menchaca, 17, of Nampa — accessory to first-degree murder, aiding and abetting robbery, and perjury

  • Isaac Bernal, 16, of Nampa — accessory to first-degree murder, and aiding and abetting robbery

  • Gabriel Hernandez Olivo, 16, of Caldwell — aiding and abetting first-degree murder, aiding and abetting robbery, and intimidation of a witness

Maribel Menchaca was first arrested in November for suspected robbery after she told police she took Gomez’s gold chain during a family confrontation that happened just hours before he was shot to death.

At the time, Maribel Menchaca told police investigators that she was backing up her son when she confronted Gomez that day, according to court documents. She allegedly admitted to pushing him and yanking the chain off his neck. When she was arrested, her son told police that during his family’s confrontation with Gomez, his uncle punched and knocked Gomez to the ground, and he admitted taking Gomez’s gun from the trailer.

Maribel Menchaca faces an enhancement for being a persistent violator because she has prior felony convictions for drug possession, forgery and burglary.

The other suspects’ charges stem from allegedly being present during the killing, lying under oath or withholding information from police, according to copies of their indictments.

Their allegations in the indictments are as follows:

  • Esparza is accused of failing to tell Nampa police that Juan Menchaca Olvera was present when Gomez was shot. She also allegedly aided and abetted Gomez’s robbery and is accused of lying before a grand jury.
  • Hernandez-Santana is accused of failing to tell Nampa police that Juan Menchaca Olvera and Gabriel Hernandez Olivo were present when Gomez was shot. She’s also accused of intimidating a witness from testifying fully and truthfully in court. She also is accused of lying before a grand jury, claiming Hernandez Olivo was home the night Gomez was murdered, which she allegedly knew was false.
  • Jose M. Menchaca is accused of aiding and abetting the robbery of Gomez.
  • Jose A. Menchaca is accused of withholding information from law enforcement about Juan Menchaca Olvera being present during the killing and robbery. He also allegedly aided and abetted they robbery of Gomez and is accused of lying about it before a grand jury.
  • Bernal is accused of failing to tell Nampa police that Juan Menchaca Olvera was present when Gomez was shot. He also allegedly aided and abetted the robbery of Gomez.
  • Hernandez Olivo is accused of aiding and abetting Juan Menchaca Olvera while he shot Gomez. Hernandez Olivo is also accused of attempting to intimidate a witness from testifying truthfully in court and aided and abetted the robbery of Gomez.

“We cannot undo the loss suffered by the victim and his family,” Nampa police chief Joe Huff said in a news release. “This was a high-priority case, and these indictments reflect the hard work and diligence of our officers who identified the people involved in these crimes.”

Maribel Menchaca’s bond is set at $1 million.

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