[Niamh.]

Ok and this is a big speculation but I wonder was what she was hiding that she was the one who gave Chris both the idea and drug to try and cause Shan'ann to miscarry so that Nichol could have his "first son" instead. One story that both Chris and Nichols version of events match up is that they had an argument one time while Shan'ann was away for those few weeks, they argued in Chris and Shan'anns house, could she have discovered while there that Shan'ann was having a boy and maybe she had a meltdown about that. We know it was while Chris went to Shan'ann's parents that he gave her the first dose of that poison