Boy accused of killing five members of his own family tried to frame his little brother for a massacre, police say

The 15-year-old boy arrested in connection with the murder of his two parents and three siblings tried to blame their deaths on his little brother, court records show.

Prosecutors charged Andrew Humiston this week with five counts of first-degree murder and one count of attempted murder after his parents and siblings – aged seven, nine and thirteen – were found dead 30 minutes outside Seattle in Autumn City, Washington Monday, according to court documents from the King County Prosecutor’s Office reviewed by The independent.

“Based on the evidence at the scene, the evidence discovered during the autopsy and BAH’s statements, it appears that Andrew Humiston systematically murdered his mother, father, two brothers and sister, and attempted to murder his other sister,” said reads the Certification for Determination of Probable Cause document.

Andrew called 911 on the day of the murders, claiming that his 13-year-old brother had killed his parents and siblings before killing himself.

“He just shot my entire family and also committed suicide,” he told the 911 operator, according to court documents.

Andrew also told the operator that his brother had been caught watching pornography the night before and was afraid he was about to get in trouble.

When police arrived, they found his parents Mark and Sarah Humiston dead, along with three of his siblings. However, Andrew’s 11-year-old sister had managed to escape by pretending to be dead during the shooting, court documents show.

The 11-year-old, identified in court documents only by her initials BAH, spoke to a 911 operator after fleeing to a neighbor’s home.

She told the operator she heard gunshots and screams before Andrew shot her and hit her in the hand and neck. She then played dead before escaping through a fire window in her room, according to court documents.

“Later during the phone call, the dispatcher asked if BAH was sure the shooter was Andrew Humiston, and BAH confirmed it was him,” court documents state.

Paramedics took the 11-year-old to a local hospital, where she answered more questions for police, court records show. She told officers that Andrew had recently gotten in trouble for failing some tests, and that Andrew had used their father’s Glock pistol, which he kept in a lock box.

She also said that Andrew was the only child in the house who knew the lock box combination.

Community members said Mark and Sarah Humiston ‘often kept to themselves’ and homeschooled their children, local outlet Fox13 reported earlier this week. Mark Humiston worked as an electrical engineer in Seattle, the Associated Press reported.

“I’m shocked,” neighbor Lynne Trowern told Fox13. “I kept bursting into tears. I keep seeing the children’s faces, I don’t know the details or anything, but I do know that something terrible happened there.”

According to police, this shooting is the 25th mass murder this year Gun violence archive.

Andrew is now in custody at the Clark Child and Family Justice Center, which is for children, the King County Prosecutor’s Office said in a statement. press release. Prosecutors are now asking a judge to schedule a hearing to determine whether Andrew will be tried as an adult.

If Andrew is tried as an adult, he faces 25 years to life in prison, the news release said. However, if the case remains in juvenile court, he could only be sentenced to his 25th prison sentence without further sanctions.