This is generally accomplished through the analysis of recovered items of physical evidence. (www2.erie.gov)
In most case, the store has recovered the items stolen and therefore is not claiming the value of what was taken. (mtcsalc.org)
Although the police will likely work diligently to catch the person who did this to you, it is unreasonable to assume that they will also recover the items that were stolen from you. (rentersinsurance.net)