If you were living in your mother's home for the past three (3) plus years and have now moved out due to difficult circumstances where you need to obtain possession of items belonging to you left behind, legally your mother is required to allow you to pick up the items so you can clear out all of your belongings. Failure of your mother to allow you access to retrieve your belongings could be deemed a civil wrong.The reason is that you own the items, not her. I suggest that you speak with your mother about the need to clear out all of your belongings and set up a date and time to show up with a friend to collect all of your belongings and leave.