[JURIST] Russian prosecutors filed new murder charges Thursday against former Yukos [official website; JURIST news archive] security chief Alexei Pichugin [trial website]. Last month, Pichugin was convicted of organizing a double murder and was sentenced to 20 years in jail [JURIST report, scroll down]. In the charges filed Thursday, Russian prosecutors accuse Pichugin of staging a murder in 1998 and plotting two attempts to murder a businessman in 1998 and 1999. Pichugin is said to have committed the alleged crimes on orders from Yukos' second largest shareholder Leonid Nevzlin. Nevzlin is wanted in Russia on murder charges [JURIST report] and currently lives in self-imposed exile in Israel. AP has more. MosNews has local coverage.