By Elisabeth Smith

OAKDALE (CBS13) — An Oakdale man was arrested Wednesday in connection to the fatal shooting of Katrina Allen in September.

The Stanislaus County Sheriff’s Office said 28-year-old Stephen Frederick was arrested at a residence in the 100 block of Poplar Street around 11:30 a.m. with the assistance of the SWAT team.

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Detectives believe Frederick shot 39-year-old Katrina Allen on September 26. Oakdale police officers were called to the Oak Valley Hospital the night Allen was admitted with a gunshot wound. She later died at the hospital.

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The next morning, Stanislaus County detectives learned she had been shot in the 2300 block of Twildo Road.

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The investigation into Allen’s death is still ongoing. Anyone with information about this case is encouraged to contact Detective Silva at 209-525-7091.