A coronial inquest will explore whether the death of a "hardworking and dedicated police officer" could have been prevented if his mental health issues had been identified.

WARNING: This story discusses self-harm.

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On Tuesday, the inquest into the 2022 suicide of father-of-two and SA Police Senior Constable Benjamin Edward Warren opened in Adelaide.

"Being a police officer is said to have been integral to Mr Warren's identity,

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