Overview
- Detectives want to speak to 34-year-old Siavosh Mohammad-Khani over the fatal stabbing of 33-year-old Dariusz Serafin on February 10, 2025.
- Video released by the Met shows Mohammad-Khani on the day of the murder with a black BMW X4, registration HV67 RZP, linked to the attackers.
- Crimestoppers is offering a £10,000 reward for information leading to Mohammad-Khani’s arrest and prosecution, valid until 5 May 2026.
- Police appeal for sightings of Mohammad-Khani and for CCTV or dashcam footage of the BMW X4 to progress the investigation.
- Information can be shared by calling 101 quoting CAD 7176/10FEB25, via the Major Incident Police Portal, or anonymously through Crimestoppers on 0800 555 111 or online.