Personal Restraint Petition Of: Matthew L. Christenson

CourtCourt of Appeals of Washington
DecidedMay 31, 2022
Docket82309-4
StatusUnpublished

This text of Personal Restraint Petition Of: Matthew L. Christenson (Personal Restraint Petition Of: Matthew L. Christenson) is published on Counsel Stack Legal Research, covering Court of Appeals of Washington primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook
Personal Restraint Petition Of: Matthew L. Christenson, (Wash. Ct. App. 2022).

Opinion

IN THE COURT OF APPEALS FOR THE STATE OF WASHINGTON

In the Matter of the Personal Restraint of: No. 82309-4-I

MATTHEW L. CHRISTENSON DIVISION ONE

Petitioner. UNPUBLISHED OPINION

ANDRUS, C.J. — In 2014, Matthew Christenson moved into the home of his

girlfriend, P.B., where he spent three months abusing her two sons before this

abuse led to the death of P.B.’s severely autistic 18-year-old son. A jury found

Christenson guilty of seven charges, including homicide by abuse, several counts

of assault, and unlawful imprisonment. It also found the existence of several

statutory aggravators. He now seeks relief from one of the assault convictions and

the unlawful imprisonment conviction.

In this personal restraint petition he contends, and the State concedes, that

his conviction for homicide by abuse and one count of second degree assault

violate double jeopardy. He further argues that he received ineffective assistance

of counsel when counsel failed to propose a particular jury instruction and that the

State did not present sufficient evidence to support his conviction for unlawful

imprisonment.

We vacate Christenson’s second degree assault conviction in count three

and remand for resentencing. We reject the remainder of his arguments. Citations and pin cites are based on the Westlaw online version of the cited material. No. 82309-4-I/2

FACTS

In 2014, P.B., a special education teacher, lived in Auburn with her two

sons, 13-year-old J.C. and 18-year-old O.S. O.S. was severely autistic and had

the mental age of a toddler, requiring assistance with many daily tasks, including

eating, dressing, using the toilet, and cleaning himself. He was largely unable to

speak and would sometimes engage in minor self-harming behaviors including

scratching and pinching himself.

On January 22, 2014, P.B. posted an advertisement on Craigslist looking

for a casual romantic partner. Christenson responded to her post and, after texting

for about a week, they met for drinks. The next morning, P.B. invited Christenson

and his 20-year-old son, who were homeless at the time, to stay with her until they

found their own place to live.

Christenson quickly took control over the lives of P.B.’s family. Before he

moved in, O.S. and J.C. each had their own room while their mother slept in the

apartment living room. Within two or three weeks of moving in, Christenson had

moved J.C. into the bathroom. J.C., upset that Christenson was living with them,

threatened suicide—but never actually injured himself—because he wanted to

scare his mom. The mother took J.C. to the hospital and, when the hospital did

not commit J.C. for treatment, Christenson forced him to live in the bathroom

without bedding of any kind and without the freedom to leave. Christenson told

the mother that J.C.’s confinement was necessary because the child was

“possessed by evil spirits.” Shortly thereafter, Christenson also moved O.S. into

the bathroom, forcing him to sleep in the bathtub. P.B. did not intervene because

she “thought [Christenson] was trying to help us.” -2- No. 82309-4-I/3

Christenson, believing the family was unhealthy and overweight, also took

control of the cooking and placed O.S. and J.C. on a strict diet. He threw away the

food they had in their cupboards and severely restricted O.S. and J.C.’s food

intake. Christenson even forced the children to eat hot peppers to regulate their

bowel movements. And Christenson forced J.C. and O.S. to exercise for hours at

a time. As part of this exercise, Christenson made J.C. walk up and down the

apartment stairwell for entire days, until the neighbors became concerned.

Christenson sometimes made J.C. exercise with no clothes on, ridiculing J.C.’s

genitals, so that his mother would be ashamed of “how fat [her] son was.” After

Christenson allowed J.C. and O.S. to stop exercising, he forced them to sit in ice

baths, sometimes for hours.

Christenson was frequently physically violent with the children for seemingly

minor reasons, such as expressing a negative opinion about the food he prepared

or trying to add warm water to their bath. Christenson once hit O.S. in the testicles

with O.S.’s favorite toy as punishment for trying to hold his mother’s hand, and his

testicles became so bruised that P.B. took him to the hospital. Christenson rubbed

hot pepper powder into the children’s eyes. On one occasion, Christenson held

O.S. under water until he passed out. While beating J.C., Christenson told him

that “I don’t know why I just don’t end it now” which J.C. interpreted as a threat to

kill him. Christenson even brought a stun gun to the home and tested it on O.S.

Christenson also psychologically abused the boys. He did not allow P.B.

and her children to talk or look at each other or “have any kind of contact.”

Christenson called J.C. “hateful and disgusting” and told P.B. that O.S. was

“smarter than what he was letting on” and just “manipulating [her] to try to take -3- No. 82309-4-I/4

advantage so that he could be lazy.” Christenson called O.S. a “nuisance” and a

waste of his time. He repeatedly called the children names and told their mother

that they were “ugly, worthless pieces of shit.” Christenson refused to allow J.C.

and his mother to take their prescribed mental health medications and threw them

away.

Despite the physical and psychological abuse, P.B. never called the police,

never told Christenson to stop, and never asked him to leave.

On March 5, 2014, approximately one month after Christenson moved in,

P.B. took O.S. to see a medical professional about bruises on his testicles.

Because he was nonverbal, O.S. was unable to report what had happened to him.

The mother told the medical staff that O.S. had injured himself, later admitting this

story was a lie. A few days later, P.B. took O.S. to the emergency room at

Children’s Hospital. The doctors noted that O.S. had extensive bruising and his

body was covered in scratches. Again, the mother told hospital staff that O.S.’s

injuries were self-inflicted. But medical staff did not observe any self-injurious

behavior during O.S.'s hospitalization. O.S. was discharged on March 20, 2014.

On March 24, 2014, O.S. was admitted to the Yakima Valley School, a

respite center for the developmentally disabled. O.S. was again covered in

extensive bruising. P.B. lied to the staff and told them that the injuries occurred

when O.S. fell down stairs. On April 10, when she went to retrieve O.S., he did not

want to go with her. Scared, O.S. removed his seatbelt and tried to jump out of

the car as P.B. was driving on the freeway.

Sometime between April 12 and April 13, 2014, O.S. died. J.C. testified that

on that night, he and O.S. were sitting in their ice bath when Christenson and P.B. -4- No. 82309-4-I/5

came and took O.S. out of the bath. They came back after 15 minutes and let J.C.

out of the bath, at which point he curled up on the floor and went to sleep.

The mother testified that she saw Christenson remove O.S. from the

bathroom, but she went into the other bathroom to attend to their cannabis plants.

When she came out into the living room an hour later, she saw O.S. lying on the

floor with a chair and sheet on top of his body. According to P.B., O.S. had a sock

in his mouth and his hands and mouth were bound in duct tape. Christenson was

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