PRETORIA – A retired police data analyst has confirmed there were calls between singer Kelly Khumalo and one of the accused.Lambertus Steyn was testifying in the Senzo Meyiwa murder trial.He says the calls were made through a data app and not over the network.READ: JUSTICE FOR MEYIWA | TRIAL CONTINUES WITH CALLS BETWEEN ACCUSED AND KELLY KHUMALO SCRUTINISEDHe maintains this is the reason the calls do not reflect on Vodacom’s records.Steyn was recalled after discrepancies emerged between his evidence and that of a Vodacom official.Steyn says Khumalo was travelling back to Johannesburg when…