# CBI investigation into K. Armstrong murder > Live situation record from CLSTR: https://clstr.news/situations/cbi-investigation-into-k-armstrong-murder > Updated: 2026-08-12T04:30:38.000Z. Sources: 4. Developments: 2. The Central Bureau of Investigation (CBI) has initiated a formal probe into the July 5, 2024, murder of Bahujan Samaj Party state president K. Armstrong in Chennai. The transition to a federal investigation follows a Madras High Court order and a Supreme Court decision to transfer the case after the Tamil Nadu government withdrew its appeal against the inquiry. The CBI has officially registered a First Information Report (FIR), naming eight individuals under five different sections. R. Ravi has been appointed as the investigating officer to investigate the motives and conspiracy behind the killing. In a related development, a police inspector named Pugari has been remanded to three days of custody for allegedly extorting 40 lakh rupees from a businessman, Akhil Kumar, by threatening him with arrest in connection with the murder case. Pugari has been suspended from duty, and authorities are investigating whether other individuals were involved in the extortion scheme. ## Timeline ### 2026-08-12: Armstrong murder case: CBI launches investigation and inspector held for extortion The CBI has launched a formal investigation into the Armstrong murder case in Chennai, while a police inspector faces custody for allegedly extorting 40 lakh rupees related to the case. 4 sources. https://clstr.news/cluster/cbi-launches-investigation-into-armstrong-murder-case ### 2026-07-31: CBI launches investigation into Armstrong murder in Tamil Nadu The CBI has taken over the investigation of BSP leader K. Armstrong’s 2024 murder in Chennai after Tamil Nadu withdrew its appeal against a Supreme Court‑ordered probe. 2 sources. https://clstr.news/cluster/cbi-launches-investigation-into-armstrong-murder-in-tamil-nadu --- Cite as: CBI investigation into K. Armstrong murder. CLSTR, https://clstr.news/situations/cbi-investigation-into-k-armstrong-murder