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Man Charged with Murder After Stabbing in Barnes & Noble

1/1/2026

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Summary

Story summary

Antonio R. Moore, 40, faces first-degree premeditated murder charges for fatally stabbing Rita B. Loncharich, 65, with a pocketknife at a Barnes & Noble in Palm Beach Gardens, Florida, on December 22, claiming a "fight or flight" response.
Authorities said Moore traveled through several states before arriving in Florida.
Moore admitted to the attack.
Loncharich died during surgery at St. Mary’s Medical Center.
Authorities arrested Moore shortly after.

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Story summary

Antonio R. Moore, 40, faces first-degree premeditated murder charges for fatally stabbing Rita B. Loncharich, 65, with a pocketknife at a Barnes & Noble in Palm Beach Gardens, Florida, on December 22, claiming a "fight or flight" response.
Authorities said Moore traveled through several states before arriving in Florida.
Moore admitted to the attack.
Loncharich died during surgery at St. Mary’s Medical Center.
Authorities arrested Moore shortly after.