Madison police are investigating a robbery this week.

Police said a man who was drinking at the Riverhouse with three people he'd just met, was beaten and had his wallet and car keys stolen. The man found $4,150.91 had been charged to his credit and debit cards the morning after he was robbed.

Officer Jacob Schmidt contacted Megan Purvis, 23, in a separate theft investigation. Purvis told officers she knew people who had brought recently purchased items from Walmart to her residence, but had since taken the items back.

Purvis was arrested on a charge of receiving stolen property. The two other people have not been located.