PETALING JAYA: The police have collected 228 deoxyribonucleic acid (DNA) samples from residents at Idaman Apartment, Damansara Damai here as part of the investigation to search for the killer of six-year-old autistic boy Zayn Rayyan Abdul Matiin.
Selangor police chief Datuk Hussein Omar Khan said the large-scale operation, which involved house-to-house checks and the collection of DNA samples from the residents began yesterday, and would continue until today.
