1. A method for mailpiece analysis, comprising: receiving in a data processing system an image of a first mailpiece and associated machine-recognized data; comparing the machine-recognized data, by the data processing system, with a target list to determine a match with a target individual; performing a writer identification process on the image of the first mailpiece when a match is determined between the machine-recognized data and the target individual, the writer identification process producing writer identification data associated with the first mailpiece; and storing the image of the first mailpiece and associated machine-recognized data and writer identification data by the data processing system.