Chaos erupts in courtroom during knife threat suspect’s arraignment

By Anahita Jafary

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    SACRAMENTO, California (KCRA) — Brian Mattson, a 56-year-old man arrested twice over the weekend after being seen on video making stabbing motions with a knife in front of homes in Arden Park, caused chaos during his court appearance Monday as he shouted and cursed in the courtroom.

There was a major delay in court today. KCRA waited nearly two hours until Brian Mattson was brought out. From there chaos erupted as Mattson began shouting and cursing. Mattson asked what the violation was for and to have “some paperwork.”

Mattson was first seen Thursday night on Ring camera footage on La Sierra Drive in Arden Park, repeatedly making stabbing motions with a knife in front of homes. Deputies said no one was hurt, but neighbors expressed concern for their safety.

“I hope that it’s a reflection of what someone could do in public. We saw what it could be done and obviously that’s a threat to us, into into the general public and, you know, whoever you may be and so, it’s unfortunate,” said Michael Deauville, a neighbor in Arden Park.

Deputies arrested Mattson Saturday morning but said they could only book him on a criminal trespassing charge. The Sacramento County Sheriff’s Office requested probation officials place a probation violation hold on Mattson, who is on felony probation, but the request was initially denied. Mattson was released within hours.

“I really wanted to just be down here to one, learn a little bit how the system works. So instead of just, you know, being upset on our couches when when he got released so fast, be educated in a little more and I think it starts with, you know, being here,” Deauville said.

Hours later, deputies responded to another trespassing call involving Mattson near Fair Oaks Boulevard and San Lucas Way, less than half a mile from the location of the first arrest. This time, a probation violation hold was approved, and Mattson was taken back into custody.

In court Monday, the judge revoked Mattson’s probation. Neighbors are now considering ways to protect themselves moving forward.

“There’s groups that, you know, neighborhood watch being one of them is an example. Maybe we do something like that. Maybe it’s just, you know, bringing the community together and, you know, finding other ways without a formal doctrine of what that is as well,” Deauville said.

Mattson’s next court date is scheduled for Tuesday, May 12.

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