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NewsNBC 6 South FloridaJuly 17, 2026Miami-Dade

Suspect arrested in 2021 murder of Miami store owner

Nearly five years after the fatal shooting of a Little Havana business owner, police have arrested 40-year-old Edgar Olivas. Olivas is charged with first-degree murder and armed robbery in connection with the 2021 death of Walter Castañeda Sr.

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Why It Matters

The arrest marks a significant development in a cold case involving a fatal robbery at a local business, resulting in the suspect being .

Key Facts

  • Edgar Olivas, 40, was arrested and booked into the Turner Guilford Knight Correctional Center on charges of first-degree murder and armed robbery.
  • The charges relate to the Oct. 1, 2021, shooting death of 64-year-old Walter Castañeda Sr. at his Boost Mobile store.
  • The suspect is currently being held without bond.
  • Witnesses reported the gunman demanded a black bag from the victim before a shootout occurred.
  • The suspect fled the scene in a vehicle that was later reported stolen on Oct. 3, 2021.
  • Investigators linked the suspect to the crime through vehicle rental records, surveillance video from a gas station, and witness identification.
  • The arrest warrant was originally filed in December 2021, but the suspect was not located until he was stopped by Orlando Police.
  • The victim's grandchildren were present in a nearby car during the incident.

Who's Mentioned

location443 Northwest 12th Avenue“The location of the Boost Mobile store where the incident occurred.”locationTurner Guilford Knight Correctional Center“The facility where the suspect is being held.”personMichael Vega“Miami Police spokesman.”personWalter Castañeda Sr.“The 64-year-old victim and owner of the Boost Mobile store.”personEdgar Olivas“The suspect arrested and charged with first-degree murder and armed robbery.”other64“Age of the victim.”other40“Age of the suspect.”