ISP seeks help in investigating sexual assault of teen from 2016

Jose Buenaventura Aguilera

Ten years after an alleged sexual assault of a 15-year-old in Caldwell, the suspect has been arrested and indicted.

Jose Buenaventura Aguilera

Jose Buenaventura Aguilera

The Canyon County Sheriff's Office made the arrest, according to the county jail roster. According to CCSO, the arrest was made for a felony warrant July 14.

Now, Idaho State Police is seeking help from the public as it investigates Jose Buenaventura Aguilera, 62, according to an Idaho State Police news release.

According to CCSO, Buenaventura Aguilera faces charges of statutory rape and lewd conduct with a child under 16.

Both crimes are punishable by sentences of up to life in prison.

A multiyear investigation by the Caldwell Police Department and the Idaho State Police Sexual Assault Kit Initiative Cold Case Team led to the indictment. But detectives now are requesting information about potential additional victims, witnesses or related incidents involving Buenaventura Aguilera.

"This case is an excellent example of the strength of collaboration between law enforcement agencies. Victims deserve to know their cases are never forgotten and we are thankful for the SAKI unit who dedicated countless hours to the follow-up investigation that ultimately led to identifying and arresting the suspect," Caldwell Police Department Chief Rex Ingram said. "We are grateful for the professionalism, expertise and perseverance of the SAKI investigators and everyone involved in bringing this case forward. No matter how much time has passed, victims deserve to know that we remain committed to pursuing justice. Working together, we can continue holding offenders accountable and supporting survivors."

According to ISP, Buenaventura Aguilera has also been known by several names, including J. Buenaventura Aguilera, Jose Buenaventura Aguilera, Joe and Juan.

If you recognize those names, or his photographs from a 2013 driver's license photo or his 2026 jail booking photo, contact Daren M. Boyd, SAKI site coordinator with ISP Forensic Services, at 208-846-7583 or Saki@isp.idaho.gov.

"It is important for victims of sexual assault to know that no matter how much time has passed, they deserve to be heard and to know we remain committed to holding offenders accountable whenever the evidence allows," said Lt. Col. Russ Wheatley, deputy director at ISP. "Cold case investigations continue to evolve through advances in forensic science, persistent investigative work and information shared by victims, witnesses and the community. One conversation, one memory, or one detail that may seem insignificant could help identify additional victims, corroborate evidence, or move this investigation forward."

Matthew Neil Wells is the Nampa reporter at the Idaho Press. He covers city government, crime, features, profiles on people, and events. You can follow him on X @MatthewNWells, and email him at mwells@idahopress.com.

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