With key evidence reaching its hands, Telangana Anti-Corruption Bureau has expedited its probe into the sensational cash-for-vote scam involving some powerful political figures.With the ACB court handing over the copies of the report of Forensic Science laboratory and the audio and video tapes, the ACB was now busy transcribing the recorded conversations. “This will form the basis for our next step in the probe”, an official said. ACB has formed a three member experts panel for this job.