Coronation Street fans are sharing their theories amid the ITV soap’s latest whodunnit storyline, which is unfolding following the death of Theo Silverton (played by James Cartwright). The scaffolder husband of Todd Grimshaw (Gareth Pierce) was found dead during last month’s ‘Murder Week’. ITV has now unveiled an official list of suspects and there’s one character who is standing out to fans as the most likely culprit. Theo had no shortage of enemies on the cobbles and his husband Todd, who he was abusive towards, is in the frame – but an early fan theory claims his former partner Danielle Silverton (Natalie Anderson) is responsible. In a post on Reddit, one viewer has pointed out that Danielle has so far featured in less than 20 episodes, comparing the storyline to the ‘Who killed Frank Foster?’ plot in 2012.…