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Man Arrested for Murder in Tyngsborough Disappearance

3/18/2026

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Summary

Story summary

Shawn Sullivan, 40, was arrested on murder charges in the January 2025 disappearance of Jill Kloppenburg in Tyngsborough, Massachusetts.
He allegedly confessed to a friend that he shot and buried Kloppenburg under his garage.
Police discovered remains in a plastic bag during a search, believed to be Kloppenburg, with identification pending.
Sullivan faces murder and improper disposal charges.
Kloppenburg's family expresses hope for justice.

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Story summary

Shawn Sullivan, 40, was arrested on murder charges in the January 2025 disappearance of Jill Kloppenburg in Tyngsborough, Massachusetts.
He allegedly confessed to a friend that he shot and buried Kloppenburg under his garage.
Police discovered remains in a plastic bag during a search, believed to be Kloppenburg, with identification pending.
Sullivan faces murder and improper disposal charges.
Kloppenburg's family expresses hope for justice.