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233 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.
Case Description
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Peter Mark, 46, a Native Hawaiian man, was one of the seven Xerox employees killed in Honolulu on November 2, 1999, when the workday turned into the deadliest mass murder Hawaiʻi had ever seen. That morning, according to contemporary reports, gunman Byran Koji Uyesugi arrived at the Xerox Engineering Systems office on Nimitz Highway shortly after 8:00 a.m., went upstairs, and opened fire on co-workers. Mark was among the dead identified that same day. In the first rush of horror, there was litt ...Read More
Victim Details

Peter Mark

Male

Hawaiian Native

Honolulu

HI

1999-11-02

46

Peter

Brent Mark

Yes

03/20/2026