on 17 january 2014, during his visit to pune, home minister r. r. patil gave pune police a week to make some progress or hand over the case to the central bureau of investigation (cbi). on 20 january, pune police arrested two suspects based on ballistic reports. the suspects had been previously accused of firearms dealing. later on 4 march 2014, the bombay high court heard a modified pil from tirodkar, which sought to involve the cbi in the investigation. the court directed the pune police to submit copies of case diaries. on 9 may 2014, the bombay high court transferred the case to the cbi.