Indian River County Sheriff Deputy Terri Mashkow, 47, was killed, and two others were injured in a shooting near Vero Beach while an eviction notice was being served on Nov. 21, 2025. An Indian River County deputy, a locksmith and the shooting suspect were transported on Nov. 21, 2025, to HCA Florida Lawnwood Hospital in Fort Pierce, Fla.

INDIAN RIVER COUNTY — The man accused of fatally shooting a Florida sheriff's deputy has died.

Michael Halberstam, 37, died from his injuries at 3:41 p.m. Nov. 22, according to Indian River County sheriff's officials. He had been hospitalized at HCA Florida Lawnwood Hospital in Fort Pierce since the Nov. 21 shooting that killed Sgt. Terri Sweeting-Mashkow, who was promoted from deputy to sergeant posthumously.

Here's what we know as of Nov. 22:

  • Sgt. Terri Sweeting-Mashkow, 47, died in the line of duty during what Sheriff Eric Flowers described as an "everyday call." Read more: Who was Terri Sweeting-Mashkow?
  • Mashkow and other law enforcement officials went to a home to serve an eviction at 8:42 a.m. Nov. 21 when Michael Halberstam, 37, started “indiscriminately” shooting. Read more: Who is Michael Halberstam?
  • It occurred at a house on Governors Way in the Bermuda Club gated community on the barrier island of Orchid.
  • Halberstam’s mother, who was evicting her son, was outside the home at the time.
  • The shooting injured Deputy Tino Arizpe and an unidentified locksmith, but Sgt. Gary Farless wasn't injured. Arizpe improved to stable condition, but the locksmith remained in critical condition.
  • Mashkow’s death is the second line of duty death in about 100 years of the agency.
  • Her body was escorted by a multitude of law enforcement vehicles to the medical examiner's office in Fort Pierce on the night of Nov. 21.

Laurie K. Blandford is TCPalm's entertainment reporter dedicated to finding the best things to do on the Treasure Coast. Email her at laurie.blandford@tcpalm.com.

This article originally appeared on Treasure Coast Newspapers: Man accused of shooting Florida sheriff's deputy dies

Reporting by Laurie K. Blandford, Treasure Coast Newspapers / Treasure Coast Newspapers

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