It sounds like your theft charges is from Walmart where you received a citation and court date. Pay close attention to that date, you will need to be in court at that date and time. If you are searching for an attorney to defend you in this case, there are several in the Denver area on AVVO. You may also try the Colorado Criminal Defense Bar. There is a guide or top 10 questions to ask a criminal defense attorney.
You can apply for a Public Defender or hire one of the many criminal defense attorneys here on Avvo.
The information provided in this answer does not create an attorney-client relationship. If you are interested in his legal services, feel free to call Chris at (303) 409-7635 at his law office in the Denver Tech Center. All initial consultations are free of charge.