Computer Forensics PDA

You work for a regional forensic computer lab and have been tasked with recovering all data from a suspect's cellular phone, which is also a PDA. The case revolves around cyberstalking, and evidence is needed to prove these allegations.  Use the Internet to research the different ways in which a person can be stalked in cyberspace. Discuss in detail your steps in recovering any and all information from the device and how cyberstalking can be proved via this evidence.