Which phone model/version? Did they need anything from other owner? From apple? Physical access? USB? Brute force bypass? Anything you can describe about the capabilities and techniques people would be interested in knowing.
i rekon that if the case is big enough, the'll get access to the cloud backups. the UFED product page states that it can bypass device locks, this sounds like physical access and would only require the device to be confiscated.