3 arrested in West Seattle slaying of teen

Derek “Peachy” Juarez-Lopez was robbed and killed near Westcrest Park in September. (Photo: KOMO News)

SEATTLE - Police arrested two juveniles and one adult Tuesday in the September slaying of a 15-year-old boy who collapsed outside a West Seattle greenbelt with stab wounds.

Derek Juarez-Lopez's death appears to have stemmed from a robbery gone awry, police reports indicate. He agreed to meet his girlfriend at a location where three teens emerged to rob him of marijuana, but an 18-year-old man stabbed him during the attack, the girlfriend reportedly told detectives.

Juarez-Lopez died hours later at Harborview Medical Center.

The 18-year-old is now being investigated for homicide.

Police headed to a reported stabbing scene at Sixth Avenue Southwest and Southwest Cambridge Street, near Westcrest Park, after Juarez-Lopez was rushed to the hospital. They found bloody clothing and portions of a shattered cell phone, reports say.

One of Juarez-Lopez's sisters told police that a brother of theirs was taking Juarez-Lopez to meet his girlfriend for her birthday that morning. Later, she received a phone call from Juarez-Lopez, saying, "They jumped me and they stabbed me." She said he seemed short of breath and suddenly the phone disconnected.

The brother told police he dropped off Juarez-Lopez in White Center.

Police learned that Juarez-Lopez suffered two stab wounds to his upper chest and lower abdomen. He was taken into surgery but died at the hospital.

Investigators learned through a search of Juarez-Lopez's phone that he met with his girlfriend to sell or use drugs, according to court records.

The girlfriend allegedly told detectives that she met Juarez-Lopez and led him to an area where three men armed with knives jumped and attacked him. She ran from the scene during the assault, she claimed.

A confidential informant gave police three names of people involved in Juarez-Lopez's death. That person met with detectives Sept. 19 and claimed he learned about the assault from Juarez-Lopez's girlfriend, reports indicate.

The tipster told detectives that Juarez-Lopez was lured to the park to be robbed of his marijuana, but "things got out of hand," according to court documents. The 18-year-old suspect stabbed Juarez-Lopez and the assailants stomped on his head. The girlfriend reportedly ran from the scene when the stabbing occurred because she was scared.

Detectives arrested the 18-year-old and two juvenile teens believed to have attacked Juarez-Lopez.

The 18-year-old remains held on $750,000 bail. The Seattle Police Department has not confirmed the ages or arrest charges of the two juvenile suspects. is a media partner of KOMO News. Click here to read this story on

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