His beloved [adopted] mother Jane covered up the accidental death by moving Lucy’s body.
Bobby is right though, Lucy was a miserable cow causing havoc every which way she turned. Some people are just like that.
Jane was nervous at the wedding saying “I do” and her vows to Ian again.
Now we know why! Bobby phoned Jane after Ian, Cindy and Denise were in bed! He was a little upset and Jane came to his rescue!