SANTA ANA (CBS) — The family of a Marine sergeant who was fatally shot on campus at an Orange County high school is claiming that police detained their daughters for 13 hours after the shooting.

Attorney Brian T. Dunn offered details Thursday of a claim filed against the Orange County Sheriff’s Department after 31-year-old Manuel Loggins was shot and killed in February at San Clemente High School.

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Deputy Darren Sangberg, who last month was identified as the deputy primarily involved in the shooting, said Loggins crashed through the school gate and ignored orders not to restart his sport utility vehicle.

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But now the family alleges that Loggins’ daughters, ages 9 and 14, were held for as long as 13 hours following the shooting.

Hunn called the extended detention a form of incarceration.

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The Orange County district attorney’s office said the investigation could take as long as one year to complete.