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Tech Founder Detained in Davos After Bomb-Like Device Incident

1/24/2026

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Summary

Story summary

Sebastian Heyneman, a 31-year-old tech founder from San Francisco, was detained for 13 hours in Davos after leaving a device resembling a bomb at a hotel during the World Economic Forum.
He intended to showcase his anti-fraud device, leaving a prototype—a small black box with wires—in the hotel lobby.
Swiss authorities detained Heyneman as part of a terrorism investigation.

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Story summary

Sebastian Heyneman, a 31-year-old tech founder from San Francisco, was detained for 13 hours in Davos after leaving a device resembling a bomb at a hotel during the World Economic Forum.
He intended to showcase his anti-fraud device, leaving a prototype—a small black box with wires—in the hotel lobby.
Swiss authorities detained Heyneman as part of a terrorism investigation.