You are a good and wonderful daughter to take care of your mom the best way you can.
You have every right to feel uneasy about things, and I think it's only natural for you to feel that way.
I guess the only thing you can do is to take it one step at a time with your mom. Trust doesn't just happen, it has to build over a period of time. I really hope that you both get a chance to do some healing. You deserve to have some peace of mind, and I think by helping your mom through her difficult times, will bring some peace to you Jan.
Take good care of YOU!
Hugssss
J