It is important to know that different countries has different laws applied to digital forensics. The laws can be not only country specific, but different states inside a country can have different legislations which might have huge effect. One example can be, rather that local legislation to be applicable based on a plaintiffs location and court take a place at the same place, image that one need to travel to another state to take a part in a court based on state legislation where the suspected offence take place. Therefore, it is import to know what impact and laws might be related to a digital forensics case.
Mobile forensics has additional aspects that need to be taken into account. Such as a telco requirement to store particular information for a period of time link
The mindmap below describe brief information regarding legal and technical aspects of mobile forensics