Seneca Man Charged with Incest, Sexual Conduct with Minor

43-year-old Luis Armando Argueta Montejo arrested after investigation into underage victim's pregnancy

Apr. 18, 2026 at 8:48pm

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An extreme close-up photograph of a small, unidentifiable child's toy or object, dramatically lit by a harsh camera flash against a black background, conveying the somber, investigative tone of a criminal case involving the sexual abuse of a minor.A harsh flash illuminates the remnants of a violated childhood, exposing the grim realities of sexual abuse.Seneca Today

The Oconee County Sheriff's Office in South Carolina has arrested a 43-year-old Seneca man, Luis Armando Argueta Montejo, on charges of Criminal Sexual Conduct with a Minor - Second Degree and Incest. The investigation began after the juvenile victim gave birth in a hospital parking lot, leading to an inquiry that uncovered evidence of sexual abuse between 2022 and 2025.

Why it matters

This case highlights the serious nature of sexual crimes against minors and the importance of thorough investigations to protect vulnerable victims. It also raises concerns about the prevalence of incest and the need for greater awareness and prevention efforts in local communities.

The details

According to authorities, the investigation began on April 11th after the juvenile victim gave birth in the parking lot of Oconee Memorial Hospital. Both the victim and an adult female were transported for medical care. Deputies then met with a Department of Social Services employee, and the case was turned over to a Violent Crimes Unit investigator. Based on the evidence gathered, probable cause was established that Montejo had engaged in sexual intercourse with the victim between 2022 and 2025.

  • The investigation began on April 11, 2026 after the victim gave birth in a hospital parking lot.
  • Montejo was arrested on April 18, 2026 and booked into the Oconee County Sheriff's Office.

The players

Luis Armando Argueta Montejo

A 43-year-old man from Seneca, South Carolina who has been arrested on charges of Criminal Sexual Conduct with a Minor - Second Degree and Incest.

Oconee County Sheriff's Office

The law enforcement agency in Oconee County, South Carolina that conducted the investigation and made the arrest.

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What they’re saying

“Due to the preservation of the ongoing investigation, and that of the underage victim, the Sheriff's Office will not release any further information that could, either directly or indirectly, identify the victim in this case or the young child.”

— Corporal Jimmy Watt, Public Information Officer, Oconee County Sheriff's Office

What’s next

Investigators are still working to determine the identity of the father of the child born to the juvenile victim. Montejo is being held in custody and will face a judge to determine bail.

The takeaway

This disturbing case of alleged incest and sexual abuse of a minor highlights the need for vigilance, reporting, and thorough investigations to protect vulnerable children in our communities. It also underscores the importance of providing comprehensive support services for victims and their families.