By Lydia Veljanovski Blowing out the candles on her cake, Ellie Gould had no idea it would be the last birthday she would live to see. As she turned 17, it was a day filled with family, friends and celebrations. But there was no cake on what should have been Ellie’s 22nd birthday this month – just a sombre walk to the nearby park for Carole and Matt Gould, to see their precious daughter’s memorial tree. This once happy day now leaves a far more bitter taste in their mouths. Especially knowing the monster who killed their daughter could soon be free to start a family of his own. “He is evil, ab…