By Charlotte Tutton EastEnders may have teased another character will discover The Six’s big secret on the BBC soap, but it’s not Nish Panesar or Dean Wicks. Despite speculation over the missing murder weapon that could mean Nish, Dean or even Johnny Carter are about to take the women down, it seems someone else is close to the truth. Linda Carter’s son Johnny has convinced some viewers he might be out to get the women or even his own mum amid the recent Christmas murder. But the latest episode of the BBC soap could indicate another character is suspicious of the group and what Linda might be …