Son Suspected in Parents’ Murder | Mesa News

Mesa News Today | 2 Min News | The Daily News Now! · Aug 17, 2026 · 1m

A chilling murder case unfolds as authorities hunt for Matthew Flores Semyonov, accused of killing his parents in their Arizona home and fleeing abroad. The bodies were found buried in the backyard after a welfare check was requested by a brother who hadn’t heard from his mother since July 29. Investigators say tensions flared over his father’s infidelity, and prior mental health records reveal auditory hallucinations and bizarre behavior — like watering plants at night. Both parents were respected community figures: Hector, a professor, and Larissa, a nonprofit worker aiding the homeless…