Man uses robot vacuum to covertly record his wife's affair, wins divorce settlement but gets sentenced to prison for making an illegal recording — Husband lands behind bars after counter-suit over privacy rights

In a surprising legal twist, a Taiwanese man attempted to sue his wife for an extramarital affair, using footage captured by a robot vacuum to provide evidence of the alleged affair. The man secured a ~$19,000 USD settlement for emotional distress, but his victory was short-lived when his wife retaliated by suing him for invading her privacy.

Ultimately, the courts ruled in favor of his wife, ordering him to pay a 30% fine equivalent to his earnings, and sentenced him to five months in prison. The couple, previously married in 2021, resided with their parents and would visit their holiday home occasionally. In 2023, suspicion arose after finding a used toothbrush in their bathroom, which was further confirmed by reviewing CCTV footage from a parking garage.

The footage showed a man other than the husband driving his wife home, leading the husband to believe his wife was in an affair. Three months later, the husband used a robot vacuum app to secretly record his wife, capturing her getting dressed, entering bed with another man, and walking around the house naked. He recorded this footage to use as evidence in a lawsuit, which he initiated shortly after.

While the initial lawsuit aimed for a 2 million TWD (approximately $63,000) reimbursement from his wife and her lover, the husband ultimately received only 500,000 TWD ($19,000) in compensation for emotional distress. However, the court upheld the privacy invasion charge against the husband, resulting in a fine equal to 30% of his earnings and a five-month prison sentence.

This outcome effectively negated the financial gain from the marriage lawsuit, making it a net loss for the husband, and potentially tarnishing his civil reputation due to the criminal record.