The Cheyenne Police Department is investigating the theft and unlawful use of a credit card which occurred on June 18. The woman in this video is suspected of using a stolen credit card at Frontier Mall on that date. If you have information about this or any other crime, call Crime Stoppers Silent Witness at 638-TIPS or go to www.silentwitnesslaramiecounty.com. You will remain anonymous and may be eligible for a cash reward of up to $1,000.00. The caller I.D. system is not installed on the Silent Witness phone lines.