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Peter Denis O’brien Missing Person Case

Last seen in Boise, Idaho on Apr 02, 2009

Victim Details

Created

Jan 27, 2026

Case Added

Jan 27, 2026

Firstname

Peter

Lastname

Denis O’brien

Current Age

Age At Disappearance

Height

5'10 inches

Weight

165 lbs

Ethnicity

White

Gender

Male

Last Seen

Apr 02, 2009

City

Boise

State

Idaho

Zip Code

Boise

Agency Name

Boise Police Departmen

Agency Phone

208-577-3000

Last Updated

06/30/2026

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 ...

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Last Seen: Apr 02, 2009

Links to Additional Sources (9)

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Peter Denis O'Brien

6366DMID - Peter Denis O'Brien

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Peter Denis O’brien Missing Person Case

Last seen in Boise, Idaho on Apr 02, 2009

Victim Details

Case Description

Continue reading the complete case summary

Links to Additional Sources (9)

Unlock 7 additional sources

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