Mauricio Johnson Murders 3 In California

Mauricio Johnson is a teen killer from California who would murder a sixteen year old girl and her parents

According to court documents Mauricio Johnson was inside of the home and fooling around with the sixteen year old girl when her father interrupted them. Mauricio would open fire killing Nikki Metcalf, 40, Margarett Moon, 40 and Shelly Autumn May Moon, 16. Apparently he murdered Shelly to make sure there was no witnesses

Mauricio Johnson would be arrested and would eventually plead guilty. The teen killer would be sentenced to one hundred fifty years in prison however since he was a juvenile at the time of the murders his case will be reviewed after serving twenty five years

Mauricio Johnson Now

CDCR NumberBR4793
Admission Date02/23/2022
Current LocationCalifornia Substance Abuse Treatment Facility
Location LinkDirections
Parole Eligible Date (Month/Year)02/2045

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Mauricio Johnson Case

A California teenager admitted he killed a 16-year-old girl and her parents after he was caught with her in her bedroom, prosecutors said.

Mauricio Johnson, 19, pleaded guilty on Tuesday to the triple murder and received a 150-year prison sentence, the Humboldt County District Attorney said.

Johnson killed Nikki Metcalf, 40, Margarett Moon, 40 and Shelly Autumn May Moon – who wasn’t identified by the DA – on Feb. 9 in their home on the Bear River Band of the Rohnerville Rancheria Reservation.

The teenager entered the home “with the permission of several minors” who lived there, prosecutors said. But after most of the house had gone to bed, stepfather Metcalf walked into the girl’s bedroom and found Johnson and the girl, the DA said in a statement.

The teenagers were getting “intimate” and Metcalf hit Johnson who ran from the room with his pants down, according to a warrant cited by

The mother, woken by the gunfire, was shot when she walked into the living room, the publication stated. Johnson then shot the girl “because he did not want to have any witnesses,” said.

If the case went to trial, Johnson could’ve been sentenced to life in prison without parole but the DA said in its statement it considered several factors including that “a trial would require testimony from young people who have suffered a tragedy.”

Likely changes to California law were another reason cited.

“On the point about California law, youthful offenders all currently receive a parole hearing in their 25th year of incarceration, unless they are serving life without the possibility of parole,” the DA statement said.

“California legislators are seeking to modify the parole eligibility of youthful offenders, so that all would be entitled to a parole hearing regardless of their original sentence. The defendant’s agreed upon sentence would be the maximum sentence he could receive if the law under consideration takes effect.”

Sentencing is scheduled for Jan. 21.

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