EVIDENCE: Peter and Ken argue
Peter was furious when Ken accused him not only of cheating on Toyah but being back on the drink.
Follow the evidence and tell us who you think attacked Ken Barlow!
More clues will be added after every episode and don't forget to share your investigation on Facebook, Twitter and Instagram.
The Suspects
Adam BarlowDaniel OsbournePat PhelanPeter BarlowSinead TinkerTracy Barlow