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Arden-Arcade Knife Suspect Re-Arrested and Held on Probation Violation

The case has renewed scrutiny of probation holds in Sacramento County.

Overview

  • Brian Mattson, identified in a Thursday doorbell video on La Sierra Drive, was first booked Saturday on misdemeanor trespassing, released after about 90 minutes when probation declined a hold, and then arrested again hours later for a probation violation.
  • Mattson, 56, is now in the Sacramento County Main Jail with no bail and is expected in court on Tuesday, according to jail and sheriff’s records.
  • Deputies say the video showed him holding a knife and making threatening motions outside homes, and they confirmed no injuries were reported during the incidents.
  • Sheriff’s officials asked anyone who had contact with Mattson to come forward, noting that added reports could support more charges.
  • Neighbors, shaken by the brief release and re-arrest, are organizing safety meetings and a possible community watch as they press probation and deputies for a clear explanation of how holds are decided.