Emmerdale fans have got their magnifying glasses out once more - and this time, they're certain they've worked out the identity of April Windsor's troll.In Monday's episode, April was waiting at the bus stop to travel to school when two girls approached and began making nasty comments about her crying.Thankfully, twins Cathy and Heathcliff turned up to defend her from the bullies - but Cathy couldn't hold back a snarky remark of her own, as she told April she should be thanking her.And later in the episode, an anonymous poster had made a vile meme about April's late mum Donna, after she committed suicide in 2014 by throwing herself and Gary North off a multi-storey car park.The meme featured a picture of Donna with the caption: "I just.