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Case Description
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Peter Denis O'Brien, a 44-year-old audio editor for films, was last seen in Boise, Idaho, on April 2, 2009. That evening, he dropped off his two young sons at his ex-wife's residence. He was scheduled to pick them up two days later, on April 4, but never returned and has not been seen or heard from since. His disappearance is considered uncharacteristic, as he was known to be a dedicated father who adored his sons.

Authorities found O'Brien's apartment unlocked, and he had left behind n ...Read More
Last Seen: Apr 02, 2009
Links to Additional Sources (7)
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Victim Details

Jan 27, 2026

Jan 27, 2026

Peter

Denis O’brien

44

44

5'10 inches

165 lbs

White

Male

Apr 02, 2009

Boise

Idaho

Boise

Boise Police Departmen

208-577-3000

01/27/2026