HILLSBORO, Ore.- On June 7, 2019, Judge Ted Sims sentenced Roberto Santiago Martinez, age 38, to 75 months in prison after he was convicted of first-degree sex abuse. The case was prosecuted by Deputy District Attorney Chris Lewman.

In August of 2017, a then 11-year-old girl spent the night at Martinez’s home. Early the next morning, she awoke to find Martinez in the bedroom standing over her and touching her in a sexual manner. The victim told at least three other children about the abuse at the time, but it went unreported to authorities for a year. Eventually, the victim was no longer able to conceal her emotional distress and reported the abuse to a school counselor. That counselor then immediately notified the proper authorities.

The victim was interviewed by experts at CARES Northwest where she described the abuse consistent with her original story told a year earlier.

Martinez was already serving a 150-month prison sentence for impregnating a 14-year-old girl in a separate case. The 75 months ordered by Judge Sims will run consecutive to the 150 months previously imposed on Martinez.

Investigators fear there could be other victims who have not yet come forward. Anyone with information about additional crimes committed by Martinez should contact law enforcement.

The Washington County District Attorney’s Office would like to acknowledge the bravery shown by the victim in testifying in court. We’d also like to thank Washington County Sheriff’s Detectives Robert Rookhuyzen and Ryan Hickey for their work on this case, as well as CARES Northwest and the Oregon Department of Human Services.

HILLSBORO, Ore.- On June 18, 2019, Washington County Judge Ted Sims sentenced Anthony Michael Delarosa to five years in prison. He also ordered Delarosa to pay $800 in court-imposed fines. On June 12, 2019, Delarosa was convicted of all charges brought against him including two counts of Coercion, Unlawful Use of a Weapon, Menacing Constituting Domestic Violence, Strangulation and Fourth-Degree Assault Constituting Domestic Violence. Deputy District Attorney Matt Lehman prosecuted the case against Delarosa.

On December 4, 2018, officers responded to a domestic violence call at a Beaverton apartment complex. Arriving officers met with a female victim who first made the call. She told investigators that Delarosa attacked her during an argument. The victim described how Delarosa grabbed her by the face and neck and pinned her to the bed. He then punched her multiple times in the face causing bruising and swelling to her cheek and head. She was also bleeding from her ear when officers first arrived.

Officers spoke to the victim at the scene and she provided details on several other instances of physical abuse at the hands of Delarosa over the span of nearly two years. The victim testified about these events in court, detailing one episode in which Delarosa became angry and threatened to use a knife to cut her face. He then told her if she ever called police to report him, he would carry out that threat.

The Washington County District Attorney’s Office would like to acknowledge Beaverton Police Officers Amanda Pickar, Josh Croissant and Michael Boliek for their work on this case.

Delarosa will be transferred to the Oregon Department of Corrections to serve his sentence.

HILLSBORO, Ore.- On June 14, 2019, a Washington County jury found Jonathan Alexander Tyler guilty of two counts of Second-Degree Rape, two counts of First-Degree Sex Abuse, two counts of First-Degree Online Sexual Corruption of a Child and three counts of Luring a Minor. Judge Janelle Wipper oversaw the four-day trial which was prosecuted by Deputy District Attorney Allison Brown. The case was investigated by Beaverton Police Detective Chad Opitz.

In September 2018, the Federal Bureau of Investigation and the Beaverton Police Department were alerted to a concerning ad on a social media platform. The ad involved two young girls offering prostitution services. Authorities were able to identify the girls as ages 13 and 15. They also identified the suspect and discovered he was working as a daycare provider in Salem. Police learned that Tyler had communicated with the 13-year-old via social media last April and that he drove from Salem to Beaverton twice to have sex with the minor.

Detective Opitz arranged for the 15-year-old to contact Tyler on social media. She told him she was 15 and he agreed to drive to Beaverton to have sex with her. On September 19, 2018, Tyler was arrested by undercover officers after he arrived at the predetermined location. He had condoms with him and claimed he was there to meet his friend. During his interview, he admitted to having sex with the 13-year-old on two occasions, but claimed he thought both girls were 18. He later admitted he knew they were underage.

Investigators are concerned there may be additional victims who have not been identified. Anyone with information should contact Beaverton Police.

The Washington County District Attorney’s Office would like to acknowledge the work of Detective Opitz on this case as well as the FBI. We would also like to commend the two victims for their assistance throughout the investigation and for their bravery in providing testimony at trial.

Tyler will be sentenced by Judge Wipper on July 16, 2019.