Her boss.
Why did she gain by drugging him?? Maybe I missed something.
shareShe probably not only didn't want to have (much?) sex with him after meeting her new boyfriend but also had issues with the whole murder and he would hinder her with whatever she needed to do.
shareAt first I thought that she drugged him because she wanted to flee the hotel to get away from her involvement in the staircase incident completely. But later she went back into the room after her boss had gone and had a good lie-in.
share