My roommate stole my belongings while I was incarcerated...can I take out a warrant or go in with my key and g?

While I was incarcerated for 60 days, my boyfriend was in contact with my roommate, who assured him my belongings were safe and taken care of. We went to retrieve my belongings yesterday, which they were stored in bins. When I got home and went through the bins, I found she had gone through everything, taken all my summer clothing, bathing suits, Jones New York suits, every pair of jeans I owned...totalling well over $5000 in clothing. Can I take out a warrant without receipts for the clothes? I still have my key...can I go in and get my things? I am willing to take a police escort if necessary...PLEASE tell me how to get my things back or file suit for the loss.