SAN JOSE — Authorities have arrested a man and woman in connection with the fatal shooting of a 24-year-old San Jose resident they did not know at the Ascent Apartments earlier this year.

The San Jose Police Department’s Covert Response Unit arrested 32-year-old Lam Thanh Mac and 31-year-old Nicole Marie De La Grange on Feb. 27, according to San Jose police Officer Gina Tepoorten. Both were booked into Santa Clara County jail, Mac on a charge of murder and De La Grange on a charge of accessory after the fact.

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The police department disclosed the arrests Wednesday night.

On the evening of Jan. 21, officers responded to the Ascent Apartments in the 5800 block of Charlotte Drive, near Raleigh and Cottle roads, for reports of shots fired. They arrived to find Jose Cortez suffering from at least one gunshot wound. He was pronounced dead at the scene.

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Tepoorten said detectives linked Mac and De La Grange to the fatal shooting through a follow-up investigation.

The motive and circumstances surrounding the shooting remain under investigation, but detectives have determined that the victims and suspects did not know each other, Tepoorten said.

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Anyone with information about the homicide can contact Detective Sgt. Jesus Mendoza or Detective Todd Jennings at 408-277-5283.

Those wishing to remain anonymous can leave a tip with Silicon Valley Crime Stoppers at 408-947-STOP (7867) or svcrimestoppers.org. Tipsters may be eligible for a cash reward.